Sr Examen

Otras calculadoras

sin(x)^(2)-4*sin(x)*cos(x)+3*cos(x)=0 la ecuación

El profesor se sorprenderá mucho al ver tu solución correcta😉

v

Solución numérica:

Buscar la solución numérica en el intervalo [, ]

Solución

Ha introducido [src]
   2                                    
sin (x) - 4*sin(x)*cos(x) + 3*cos(x) = 0
$$\left(\sin^{2}{\left(x \right)} - 4 \sin{\left(x \right)} \cos{\left(x \right)}\right) + 3 \cos{\left(x \right)} = 0$$
Gráfica
Respuesta rápida [src]
            /                       ______________________________________________________________________________________________________________________                                                                                     \
            |                      /         ___________________                                                            ___                                                                                                                |
            |        ___          /       3 /            ______              25                                        20*\/ 2                                                                                                                 |
            |      \/ 2 *        /   24 - \/  -314 + 3*\/ 9219   - ---------------------- - -------------------------------------------------------------                                                                                      |
            |                   /                                     ___________________          ______________________________________________________                                                                                      |
            |                  /                                   3 /            ______          /         ___________________                                                                                                                |
            |                 /                                    \/  -314 + 3*\/ 9219          /       3 /            ______              25                                                                                                 |
            |                /                                                                  /   12 + \/  -314 + 3*\/ 9219   + ----------------------               ________________________________________________________________________|
            |               /                                                                  /                                     ___________________              /                      __________________                            2/3 |
            |              /                                                                  /                                   3 /            ______        ___   /           2/3      3 /           ______    3 ____ /          ______\    |
            |  2         \/                                                                 \/                                    \/  -314 + 3*\/ 9219       \/ 2 *\/   - 25*(-1)    + 12*\/  314 - 3*\/ 9219   + \/ -1 *\314 - 3*\/ 9219 /    |
x1 = -2*atan|- - + --------------------------------------------------------------------------------------------------------------------------------------- + ----------------------------------------------------------------------------------|
            |  3                                                                      6                                                                                                        __________________                              |
            |                                                                                                                                                                               6 /           ______                               |
            \                                                                                                                                                                             6*\/  314 - 3*\/ 9219                                /
$$x_{1} = - 2 \operatorname{atan}{\left(- \frac{2}{3} + \frac{\sqrt{2} \sqrt{12 \sqrt[3]{314 - 3 \sqrt{9219}} - 25 \left(-1\right)^{\frac{2}{3}} + \sqrt[3]{-1} \left(314 - 3 \sqrt{9219}\right)^{\frac{2}{3}}}}{6 \sqrt[6]{314 - 3 \sqrt{9219}}} + \frac{\sqrt{2} \sqrt{24 - \sqrt[3]{-314 + 3 \sqrt{9219}} - \frac{20 \sqrt{2}}{\sqrt{12 + \frac{25}{\sqrt[3]{-314 + 3 \sqrt{9219}}} + \sqrt[3]{-314 + 3 \sqrt{9219}}}} - \frac{25}{\sqrt[3]{-314 + 3 \sqrt{9219}}}}}{6} \right)}$$
         /    /                     ______________________________________________________________________________________________________________________                                                                                     \\         /    /                     ______________________________________________________________________________________________________________________                                                                                     \\
         |    |                    /         ___________________                                                            ___                                                                                                                ||         |    |                    /         ___________________                                                            ___                                                                                                                ||
         |    |      ___          /       3 /            ______              25                                        20*\/ 2                                                                                                                 ||         |    |      ___          /       3 /            ______              25                                        20*\/ 2                                                                                                                 ||
         |    |    \/ 2 *        /   24 - \/  -314 + 3*\/ 9219   - ---------------------- - -------------------------------------------------------------                                                                                      ||         |    |    \/ 2 *        /   24 - \/  -314 + 3*\/ 9219   - ---------------------- - -------------------------------------------------------------                                                                                      ||
         |    |                 /                                     ___________________          ______________________________________________________                                                                                      ||         |    |                 /                                     ___________________          ______________________________________________________                                                                                      ||
         |    |                /                                   3 /            ______          /         ___________________                                                                                                                ||         |    |                /                                   3 /            ______          /         ___________________                                                                                                                ||
         |    |               /                                    \/  -314 + 3*\/ 9219          /       3 /            ______              25                                                                                                 ||         |    |               /                                    \/  -314 + 3*\/ 9219          /       3 /            ______              25                                                                                                 ||
         |    |              /                                                                  /   12 + \/  -314 + 3*\/ 9219   + ----------------------               ________________________________________________________________________||         |    |              /                                                                  /   12 + \/  -314 + 3*\/ 9219   + ----------------------               ________________________________________________________________________||
         |    |             /                                                                  /                                     ___________________              /                      __________________                            2/3 ||         |    |             /                                                                  /                                     ___________________              /                      __________________                            2/3 ||
         |    |            /                                                                  /                                   3 /            ______        ___   /           2/3      3 /           ______    3 ____ /          ______\    ||         |    |            /                                                                  /                                   3 /            ______        ___   /           2/3      3 /           ______    3 ____ /          ______\    ||
         |    |2         \/                                                                 \/                                    \/  -314 + 3*\/ 9219       \/ 2 *\/   - 25*(-1)    + 12*\/  314 - 3*\/ 9219   + \/ -1 *\314 - 3*\/ 9219 /    ||         |    |2         \/                                                                 \/                                    \/  -314 + 3*\/ 9219       \/ 2 *\/   - 25*(-1)    + 12*\/  314 - 3*\/ 9219   + \/ -1 *\314 - 3*\/ 9219 /    ||
x2 = 2*re|atan|- + --------------------------------------------------------------------------------------------------------------------------------------- - ----------------------------------------------------------------------------------|| + 2*I*im|atan|- + --------------------------------------------------------------------------------------------------------------------------------------- - ----------------------------------------------------------------------------------||
         |    |3                                                                      6                                                                                                        __________________                              ||         |    |3                                                                      6                                                                                                        __________________                              ||
         |    |                                                                                                                                                                             6 /           ______                               ||         |    |                                                                                                                                                                             6 /           ______                               ||
         \    \                                                                                                                                                                           6*\/  314 - 3*\/ 9219                                //         \    \                                                                                                                                                                           6*\/  314 - 3*\/ 9219                                //
$$x_{2} = 2 \operatorname{re}{\left(\operatorname{atan}{\left(\frac{2}{3} - \frac{\sqrt{2} \sqrt{12 \sqrt[3]{314 - 3 \sqrt{9219}} - 25 \left(-1\right)^{\frac{2}{3}} + \sqrt[3]{-1} \left(314 - 3 \sqrt{9219}\right)^{\frac{2}{3}}}}{6 \sqrt[6]{314 - 3 \sqrt{9219}}} + \frac{\sqrt{2} \sqrt{24 - \sqrt[3]{-314 + 3 \sqrt{9219}} - \frac{20 \sqrt{2}}{\sqrt{12 + \frac{25}{\sqrt[3]{-314 + 3 \sqrt{9219}}} + \sqrt[3]{-314 + 3 \sqrt{9219}}}} - \frac{25}{\sqrt[3]{-314 + 3 \sqrt{9219}}}}}{6} \right)}\right)} + 2 i \operatorname{im}{\left(\operatorname{atan}{\left(\frac{2}{3} - \frac{\sqrt{2} \sqrt{12 \sqrt[3]{314 - 3 \sqrt{9219}} - 25 \left(-1\right)^{\frac{2}{3}} + \sqrt[3]{-1} \left(314 - 3 \sqrt{9219}\right)^{\frac{2}{3}}}}{6 \sqrt[6]{314 - 3 \sqrt{9219}}} + \frac{\sqrt{2} \sqrt{24 - \sqrt[3]{-314 + 3 \sqrt{9219}} - \frac{20 \sqrt{2}}{\sqrt{12 + \frac{25}{\sqrt[3]{-314 + 3 \sqrt{9219}}} + \sqrt[3]{-314 + 3 \sqrt{9219}}}} - \frac{25}{\sqrt[3]{-314 + 3 \sqrt{9219}}}}}{6} \right)}\right)}$$
           /                                                                                                        _____________________________________________________________________________________________________________________________________________________\
           |                                                                                                       /                                                                                                           __________________                        |
           |                                                                                                      /        __________________                                         2/3                               ___   /           ______                         |
           |                                                                                           ___       /      3 /           ______           2/3   3 ____ /          ______\                             20*\/ 2 *\/  314 - 3*\/ 9219                          |
           |                                                                                         \/ 2 *     /    24*\/  314 - 3*\/ 9219   + 25*(-1)    - \/ -1 *\314 - 3*\/ 9219 /    + ---------------------------------------------------------------------------- |
           |              ________________________________________________________________________             /                                                                                ________________________________________________________________________ |
           |             /                      __________________                            2/3             /                                                                                /                      __________________                            2/3  |
           |      ___   /           2/3      3 /           ______    3 ____ /          ______\               /                                                                                /           2/3      3 /           ______    3 ____ /          ______\     |
           |2   \/ 2 *\/   - 25*(-1)    + 12*\/  314 - 3*\/ 9219   + \/ -1 *\314 - 3*\/ 9219 /             \/                                                                               \/   - 25*(-1)    + 12*\/  314 - 3*\/ 9219   + \/ -1 *\314 - 3*\/ 9219 /     |
x3 = 2*atan|- + ---------------------------------------------------------------------------------- + --------------------------------------------------------------------------------------------------------------------------------------------------------------------|
           |3                                     __________________                                                                                                            __________________                                                                       |
           |                                   6 /           ______                                                                                                          6 /           ______                                                                        |
           \                                 6*\/  314 - 3*\/ 9219                                                                                                         6*\/  314 - 3*\/ 9219                                                                         /
$$x_{3} = 2 \operatorname{atan}{\left(\frac{2}{3} + \frac{\sqrt{2} \sqrt{12 \sqrt[3]{314 - 3 \sqrt{9219}} - 25 \left(-1\right)^{\frac{2}{3}} + \sqrt[3]{-1} \left(314 - 3 \sqrt{9219}\right)^{\frac{2}{3}}}}{6 \sqrt[6]{314 - 3 \sqrt{9219}}} + \frac{\sqrt{2} \sqrt{24 \sqrt[3]{314 - 3 \sqrt{9219}} - \sqrt[3]{-1} \left(314 - 3 \sqrt{9219}\right)^{\frac{2}{3}} + \frac{20 \sqrt{2} \sqrt{314 - 3 \sqrt{9219}}}{\sqrt{12 \sqrt[3]{314 - 3 \sqrt{9219}} - 25 \left(-1\right)^{\frac{2}{3}} + \sqrt[3]{-1} \left(314 - 3 \sqrt{9219}\right)^{\frac{2}{3}}}} + 25 \left(-1\right)^{\frac{2}{3}}}}{6 \sqrt[6]{314 - 3 \sqrt{9219}}} \right)}$$
         /    /                   _____________________________________________________________________________________________________________________________________________________                                                                                     \\         /    /                   _____________________________________________________________________________________________________________________________________________________                                                                                     \\
         |    |                  /                                                                                                           __________________                                                                                                             ||         |    |                  /                                                                                                           __________________                                                                                                             ||
         |    |                 /        __________________                                         2/3                               ___   /           ______                                                                                                              ||         |    |                 /        __________________                                         2/3                               ___   /           ______                                                                                                              ||
         |    |      ___       /      3 /           ______           2/3   3 ____ /          ______\                             20*\/ 2 *\/  314 - 3*\/ 9219                                                                                                               ||         |    |      ___       /      3 /           ______           2/3   3 ____ /          ______\                             20*\/ 2 *\/  314 - 3*\/ 9219                                                                                                               ||
         |    |    \/ 2 *     /    24*\/  314 - 3*\/ 9219   + 25*(-1)    - \/ -1 *\314 - 3*\/ 9219 /    + ----------------------------------------------------------------------------                                                                                      ||         |    |    \/ 2 *     /    24*\/  314 - 3*\/ 9219   + 25*(-1)    - \/ -1 *\314 - 3*\/ 9219 /    + ----------------------------------------------------------------------------                                                                                      ||
         |    |              /                                                                                ________________________________________________________________________              ________________________________________________________________________||         |    |              /                                                                                ________________________________________________________________________              ________________________________________________________________________||
         |    |             /                                                                                /                      __________________                            2/3              /                      __________________                            2/3 ||         |    |             /                                                                                /                      __________________                            2/3              /                      __________________                            2/3 ||
         |    |            /                                                                                /           2/3      3 /           ______    3 ____ /          ______\          ___   /           2/3      3 /           ______    3 ____ /          ______\    ||         |    |            /                                                                                /           2/3      3 /           ______    3 ____ /          ______\          ___   /           2/3      3 /           ______    3 ____ /          ______\    ||
         |    |2         \/                                                                               \/   - 25*(-1)    + 12*\/  314 - 3*\/ 9219   + \/ -1 *\314 - 3*\/ 9219 /        \/ 2 *\/   - 25*(-1)    + 12*\/  314 - 3*\/ 9219   + \/ -1 *\314 - 3*\/ 9219 /    ||         |    |2         \/                                                                               \/   - 25*(-1)    + 12*\/  314 - 3*\/ 9219   + \/ -1 *\314 - 3*\/ 9219 /        \/ 2 *\/   - 25*(-1)    + 12*\/  314 - 3*\/ 9219   + \/ -1 *\314 - 3*\/ 9219 /    ||
x4 = 2*re|atan|- - -------------------------------------------------------------------------------------------------------------------------------------------------------------------- + ----------------------------------------------------------------------------------|| + 2*I*im|atan|- - -------------------------------------------------------------------------------------------------------------------------------------------------------------------- + ----------------------------------------------------------------------------------||
         |    |3                                                                              __________________                                                                                                            __________________                              ||         |    |3                                                                              __________________                                                                                                            __________________                              ||
         |    |                                                                            6 /           ______                                                                                                          6 /           ______                               ||         |    |                                                                            6 /           ______                                                                                                          6 /           ______                               ||
         \    \                                                                          6*\/  314 - 3*\/ 9219                                                                                                         6*\/  314 - 3*\/ 9219                                //         \    \                                                                          6*\/  314 - 3*\/ 9219                                                                                                         6*\/  314 - 3*\/ 9219                                //
$$x_{4} = 2 \operatorname{re}{\left(\operatorname{atan}{\left(\frac{2}{3} - \frac{\sqrt{2} \sqrt{24 \sqrt[3]{314 - 3 \sqrt{9219}} - \sqrt[3]{-1} \left(314 - 3 \sqrt{9219}\right)^{\frac{2}{3}} + \frac{20 \sqrt{2} \sqrt{314 - 3 \sqrt{9219}}}{\sqrt{12 \sqrt[3]{314 - 3 \sqrt{9219}} - 25 \left(-1\right)^{\frac{2}{3}} + \sqrt[3]{-1} \left(314 - 3 \sqrt{9219}\right)^{\frac{2}{3}}}} + 25 \left(-1\right)^{\frac{2}{3}}}}{6 \sqrt[6]{314 - 3 \sqrt{9219}}} + \frac{\sqrt{2} \sqrt{12 \sqrt[3]{314 - 3 \sqrt{9219}} - 25 \left(-1\right)^{\frac{2}{3}} + \sqrt[3]{-1} \left(314 - 3 \sqrt{9219}\right)^{\frac{2}{3}}}}{6 \sqrt[6]{314 - 3 \sqrt{9219}}} \right)}\right)} + 2 i \operatorname{im}{\left(\operatorname{atan}{\left(\frac{2}{3} - \frac{\sqrt{2} \sqrt{24 \sqrt[3]{314 - 3 \sqrt{9219}} - \sqrt[3]{-1} \left(314 - 3 \sqrt{9219}\right)^{\frac{2}{3}} + \frac{20 \sqrt{2} \sqrt{314 - 3 \sqrt{9219}}}{\sqrt{12 \sqrt[3]{314 - 3 \sqrt{9219}} - 25 \left(-1\right)^{\frac{2}{3}} + \sqrt[3]{-1} \left(314 - 3 \sqrt{9219}\right)^{\frac{2}{3}}}} + 25 \left(-1\right)^{\frac{2}{3}}}}{6 \sqrt[6]{314 - 3 \sqrt{9219}}} + \frac{\sqrt{2} \sqrt{12 \sqrt[3]{314 - 3 \sqrt{9219}} - 25 \left(-1\right)^{\frac{2}{3}} + \sqrt[3]{-1} \left(314 - 3 \sqrt{9219}\right)^{\frac{2}{3}}}}{6 \sqrt[6]{314 - 3 \sqrt{9219}}} \right)}\right)}$$
x4 = 2*re(atan(2/3 - sqrt(2)*sqrt(24*(314 - 3*sqrt(9219))^(1/3) - (-1)^(1/3)*(314 - 3*sqrt(9219))^(2/3) + 20*sqrt(2)*sqrt(314 - 3*sqrt(9219))/sqrt(12*(314 - 3*sqrt(9219))^(1/3) - 25*(-1)^(2/3) + (-1)^(1/3)*(314 - 3*sqrt(9219))^(2/3)) + 25*(-1)^(2/3))/(6*(314 - 3*sqrt(9219))^(1/6)) + sqrt(2)*sqrt(12*(314 - 3*sqrt(9219))^(1/3) - 25*(-1)^(2/3) + (-1)^(1/3)*(314 - 3*sqrt(9219))^(2/3))/(6*(314 - 3*sqrt(9219))^(1/6)))) + 2*i*im(atan(2/3 - sqrt(2)*sqrt(24*(314 - 3*sqrt(9219))^(1/3) - (-1)^(1/3)*(314 - 3*sqrt(9219))^(2/3) + 20*sqrt(2)*sqrt(314 - 3*sqrt(9219))/sqrt(12*(314 - 3*sqrt(9219))^(1/3) - 25*(-1)^(2/3) + (-1)^(1/3)*(314 - 3*sqrt(9219))^(2/3)) + 25*(-1)^(2/3))/(6*(314 - 3*sqrt(9219))^(1/6)) + sqrt(2)*sqrt(12*(314 - 3*sqrt(9219))^(1/3) - 25*(-1)^(2/3) + (-1)^(1/3)*(314 - 3*sqrt(9219))^(2/3))/(6*(314 - 3*sqrt(9219))^(1/6))))
Respuesta numérica [src]
x1 = 33.8824715604119
x2 = 96.7143246322078
x3 = -66.6484933544615
x4 = 59.0152127891303
x5 = -1.71209196730273
x6 = -58.260759731919
x7 = -148.329902347796
x8 = -16.3830108970248
x9 = 29.7038345685952
x10 = 52.7320274819507
x11 = -41.5157521257431
x12 = -22.6661962042043
x13 = -33.1280185032007
x14 = 84.1479540178486
x15 = 419.26132361373
x16 = -91.7812345831798
x17 = -47.7989374329227
x18 = -83.3935009606374
x19 = 35.9870198757748
x20 = 10.8542786470564
x21 = -70.8271303462782
x22 = -10.0998255898452
x23 = -64.5439450390986
x24 = 79.9693170260319
x25 = -85.4980492760002
x26 = 19725.3852242612
x27 = 71.5815834034895
x28 = 523.97092552042
x29 = 46.4488421747711
x30 = -39.4112038103802
x31 = 15.0329156388732
x32 = -20.5616478888415
x33 = -45.6943891175598
x34 = 23.4206492614156
x35 = -89.6766862678169
x36 = -7.99527727448231
x37 = 90.4311393250282
x38 = 86.2525023332115
x39 = -95.9598715749965
x40 = 48.553390490134
x41 = 73.6861317188523
x42 = 65.2983980963099
x43 = 92.5356876403911
x44 = -60.3653080472819
x45 = -72.931678661641
x46 = -51.9775744247394
x47 = -77.1103156534578
x48 = 54.8365757973136
x49 = 40.1656568675915
x50 = 2.466545024514
x51 = 98.8188729475707
x52 = -3.81664028266558
x53 = 4.57109333987686
x54 = -98.0644198903594
x55 = 21.3161009460528
x56 = -209.057207104229
x57 = 27.5992862532323
x58 = 42.2702051829544
x59 = 77.864768710669
x60 = 67.4029464116727
x61 = -54.0821227401023
x62 = -28.9493815113839
x63 = -14.2784625816619
x63 = -14.2784625816619