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sin^2(x)-2sqrt3*sin(x)*cos(x)-3*cos^2(x)=0 la ecuación

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Solución numérica:

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Solución

Ha introducido [src]
   2          ___                      2       
sin (x) - 2*\/ 3 *sin(x)*cos(x) - 3*cos (x) = 0
$$\left(- 2 \sqrt{3} \sin{\left(x \right)} \cos{\left(x \right)} + \sin^{2}{\left(x \right)}\right) - 3 \cos^{2}{\left(x \right)} = 0$$
Gráfica
Respuesta rápida [src]
            /                           ___________\
            |    ___     ___     ___   /       ___ |
            |  \/ 3    \/ 6    \/ 6 *\/  3 - \/ 2  |
x1 = -2*atan|- ----- + ----- + --------------------|
            \    3       3              3          /
$$x_{1} = - 2 \operatorname{atan}{\left(- \frac{\sqrt{3}}{3} + \frac{\sqrt{6}}{3} + \frac{\sqrt{6} \sqrt{3 - \sqrt{2}}}{3} \right)}$$
           /                         ___________\
           |  ___     ___     ___   /       ___ |
           |\/ 3    \/ 6    \/ 6 *\/  3 + \/ 2  |
x2 = 2*atan|----- + ----- + --------------------|
           \  3       3              3          /
$$x_{2} = 2 \operatorname{atan}{\left(\frac{\sqrt{3}}{3} + \frac{\sqrt{6}}{3} + \frac{\sqrt{6} \sqrt{\sqrt{2} + 3}}{3} \right)}$$
           /                           ___________\
           |    ___     ___     ___   /       ___ |
           |  \/ 6    \/ 3    \/ 6 *\/  3 - \/ 2  |
x3 = 2*atan|- ----- + ----- + --------------------|
           \    3       3              3          /
$$x_{3} = 2 \operatorname{atan}{\left(- \frac{\sqrt{6}}{3} + \frac{\sqrt{3}}{3} + \frac{\sqrt{6} \sqrt{3 - \sqrt{2}}}{3} \right)}$$
           /                         ___________\
           |  ___     ___     ___   /       ___ |
           |\/ 3    \/ 6    \/ 6 *\/  3 + \/ 2  |
x4 = 2*atan|----- + ----- - --------------------|
           \  3       3              3          /
$$x_{4} = 2 \operatorname{atan}{\left(- \frac{\sqrt{6} \sqrt{\sqrt{2} + 3}}{3} + \frac{\sqrt{3}}{3} + \frac{\sqrt{6}}{3} \right)}$$
x4 = 2*atan(-sqrt(6)*sqrt(sqrt(2) + 3)/3 + sqrt(3)/3 + sqrt(6)/3)
Suma y producto de raíces [src]
suma
        /                           ___________\         /                         ___________\         /                           ___________\         /                         ___________\
        |    ___     ___     ___   /       ___ |         |  ___     ___     ___   /       ___ |         |    ___     ___     ___   /       ___ |         |  ___     ___     ___   /       ___ |
        |  \/ 3    \/ 6    \/ 6 *\/  3 - \/ 2  |         |\/ 3    \/ 6    \/ 6 *\/  3 + \/ 2  |         |  \/ 6    \/ 3    \/ 6 *\/  3 - \/ 2  |         |\/ 3    \/ 6    \/ 6 *\/  3 + \/ 2  |
- 2*atan|- ----- + ----- + --------------------| + 2*atan|----- + ----- + --------------------| + 2*atan|- ----- + ----- + --------------------| + 2*atan|----- + ----- - --------------------|
        \    3       3              3          /         \  3       3              3          /         \    3       3              3          /         \  3       3              3          /
$$2 \operatorname{atan}{\left(- \frac{\sqrt{6} \sqrt{\sqrt{2} + 3}}{3} + \frac{\sqrt{3}}{3} + \frac{\sqrt{6}}{3} \right)} + \left(\left(- 2 \operatorname{atan}{\left(- \frac{\sqrt{3}}{3} + \frac{\sqrt{6}}{3} + \frac{\sqrt{6} \sqrt{3 - \sqrt{2}}}{3} \right)} + 2 \operatorname{atan}{\left(\frac{\sqrt{3}}{3} + \frac{\sqrt{6}}{3} + \frac{\sqrt{6} \sqrt{\sqrt{2} + 3}}{3} \right)}\right) + 2 \operatorname{atan}{\left(- \frac{\sqrt{6}}{3} + \frac{\sqrt{3}}{3} + \frac{\sqrt{6} \sqrt{3 - \sqrt{2}}}{3} \right)}\right)$$
=
        /                           ___________\         /                           ___________\         /                         ___________\         /                         ___________\
        |    ___     ___     ___   /       ___ |         |    ___     ___     ___   /       ___ |         |  ___     ___     ___   /       ___ |         |  ___     ___     ___   /       ___ |
        |  \/ 3    \/ 6    \/ 6 *\/  3 - \/ 2  |         |  \/ 6    \/ 3    \/ 6 *\/  3 - \/ 2  |         |\/ 3    \/ 6    \/ 6 *\/  3 + \/ 2  |         |\/ 3    \/ 6    \/ 6 *\/  3 + \/ 2  |
- 2*atan|- ----- + ----- + --------------------| + 2*atan|- ----- + ----- + --------------------| + 2*atan|----- + ----- - --------------------| + 2*atan|----- + ----- + --------------------|
        \    3       3              3          /         \    3       3              3          /         \  3       3              3          /         \  3       3              3          /
$$- 2 \operatorname{atan}{\left(- \frac{\sqrt{3}}{3} + \frac{\sqrt{6}}{3} + \frac{\sqrt{6} \sqrt{3 - \sqrt{2}}}{3} \right)} + 2 \operatorname{atan}{\left(- \frac{\sqrt{6} \sqrt{\sqrt{2} + 3}}{3} + \frac{\sqrt{3}}{3} + \frac{\sqrt{6}}{3} \right)} + 2 \operatorname{atan}{\left(- \frac{\sqrt{6}}{3} + \frac{\sqrt{3}}{3} + \frac{\sqrt{6} \sqrt{3 - \sqrt{2}}}{3} \right)} + 2 \operatorname{atan}{\left(\frac{\sqrt{3}}{3} + \frac{\sqrt{6}}{3} + \frac{\sqrt{6} \sqrt{\sqrt{2} + 3}}{3} \right)}$$
producto
       /                           ___________\       /                         ___________\       /                           ___________\       /                         ___________\
       |    ___     ___     ___   /       ___ |       |  ___     ___     ___   /       ___ |       |    ___     ___     ___   /       ___ |       |  ___     ___     ___   /       ___ |
       |  \/ 3    \/ 6    \/ 6 *\/  3 - \/ 2  |       |\/ 3    \/ 6    \/ 6 *\/  3 + \/ 2  |       |  \/ 6    \/ 3    \/ 6 *\/  3 - \/ 2  |       |\/ 3    \/ 6    \/ 6 *\/  3 + \/ 2  |
-2*atan|- ----- + ----- + --------------------|*2*atan|----- + ----- + --------------------|*2*atan|- ----- + ----- + --------------------|*2*atan|----- + ----- - --------------------|
       \    3       3              3          /       \  3       3              3          /       \    3       3              3          /       \  3       3              3          /
$$- 2 \operatorname{atan}{\left(- \frac{\sqrt{3}}{3} + \frac{\sqrt{6}}{3} + \frac{\sqrt{6} \sqrt{3 - \sqrt{2}}}{3} \right)} 2 \operatorname{atan}{\left(\frac{\sqrt{3}}{3} + \frac{\sqrt{6}}{3} + \frac{\sqrt{6} \sqrt{\sqrt{2} + 3}}{3} \right)} 2 \operatorname{atan}{\left(- \frac{\sqrt{6}}{3} + \frac{\sqrt{3}}{3} + \frac{\sqrt{6} \sqrt{3 - \sqrt{2}}}{3} \right)} 2 \operatorname{atan}{\left(- \frac{\sqrt{6} \sqrt{\sqrt{2} + 3}}{3} + \frac{\sqrt{3}}{3} + \frac{\sqrt{6}}{3} \right)}$$
=
        /                           ___________\     /                           ___________\     /                         ___________\     /                         ___________\
        |    ___     ___     ___   /       ___ |     |    ___     ___     ___   /       ___ |     |  ___     ___     ___   /       ___ |     |  ___     ___     ___   /       ___ |
        |  \/ 3    \/ 6    \/ 6 *\/  3 - \/ 2  |     |  \/ 6    \/ 3    \/ 6 *\/  3 - \/ 2  |     |\/ 3    \/ 6    \/ 6 *\/  3 + \/ 2  |     |\/ 3    \/ 6    \/ 6 *\/  3 + \/ 2  |
-16*atan|- ----- + ----- + --------------------|*atan|- ----- + ----- + --------------------|*atan|----- + ----- - --------------------|*atan|----- + ----- + --------------------|
        \    3       3              3          /     \    3       3              3          /     \  3       3              3          /     \  3       3              3          /
$$- 16 \operatorname{atan}{\left(- \frac{\sqrt{3}}{3} + \frac{\sqrt{6}}{3} + \frac{\sqrt{6} \sqrt{3 - \sqrt{2}}}{3} \right)} \operatorname{atan}{\left(\frac{\sqrt{3}}{3} + \frac{\sqrt{6}}{3} + \frac{\sqrt{6} \sqrt{\sqrt{2} + 3}}{3} \right)} \operatorname{atan}{\left(- \frac{\sqrt{6}}{3} + \frac{\sqrt{3}}{3} + \frac{\sqrt{6} \sqrt{3 - \sqrt{2}}}{3} \right)} \operatorname{atan}{\left(- \frac{\sqrt{6} \sqrt{\sqrt{2} + 3}}{3} + \frac{\sqrt{3}}{3} + \frac{\sqrt{6}}{3} \right)}$$
-16*atan(-sqrt(3)/3 + sqrt(6)/3 + sqrt(6)*sqrt(3 - sqrt(2))/3)*atan(-sqrt(6)/3 + sqrt(3)/3 + sqrt(6)*sqrt(3 - sqrt(2))/3)*atan(sqrt(3)/3 + sqrt(6)/3 - sqrt(6)*sqrt(3 + sqrt(2))/3)*atan(sqrt(3)/3 + sqrt(6)/3 + sqrt(6)*sqrt(3 + sqrt(2))/3)
Respuesta numérica [src]
x1 = 57.8847264608137
x2 = 68.4927040617228
x3 = 42.1767631928647
x4 = 29.6103925785056
x5 = 5795.61611155592
x6 = -98.0117065785362
x7 = -58.3542017220087
x8 = 11.9440362971065
x9 = -61.4957943755984
x10 = -60.3125947354587
x11 = 2.51925833633714
x12 = -8.08871926457196
x13 = 21.3688142578759
x14 = 18.2272216042861
x15 = -3.76392697084245
x16 = 7.61924400337701
x17 = 77.9174820224922
x18 = 98.725430957481
x19 = 24.5104069114657
x20 = -10.047112278022
x21 = -85.4453359641771
x22 = 32.7519852320954
x23 = -30.0798678397005
x24 = 71.6342967153126
x25 = 4.47765134978722
x26 = 49.643148140184
x27 = -14.3719045717515
x28 = -55.2126090684189
x29 = 5.66085098992693
x30 = 79.8758750359423
x31 = -33.2214604932903
x32 = 48.4599485000443
x33 = -22.6134828923812
x34 = -1.80553395739237
x35 = -63.4541873890485
x36 = 70.4510970751729
x37 = -80.3453502971372
x38 = 10.7608366569668
x39 = 35.8935778856851
x40 = -89.7701282579066
x41 = -38.3214461603302
x42 = -91.7285212713567
x43 = -47.7462241210996
x44 = 33.9351848722351
x45 = -54.0294094282791
x46 = 27.6519995650555
x47 = -36.3630531468801
x48 = -20.6550898789311
x49 = -52.0710164148291
x50 = 54.7431338072239
x51 = -74.0621649899576
x52 = -96.0533135650862
x53 = -19.4718902387914
x54 = 30.7935922186453
x55 = -17.5134972253413
x56 = 20.1856146177362
x57 = -88.5869286177669
x58 = -41.46303881392
x59 = 92.4422456503014
x60 = 40.2183701794147
x61 = 64.1679117679933
x62 = 55.9263334473636
x63 = -23.7966825325209
x64 = -32.0382608531506
x65 = 26.4687999249158
x66 = 62.2095187545432
x67 = -99.194906218676
x68 = -69.7373726962281
x69 = -83.486942950727
x70 = -11.2303119181618
x71 = 84.2006673296718
x72 = -66.5957800426383
x73 = -45.7878311076495
x74 = -0.622334317252656
x75 = 90.4838526368514
x76 = 76.7342823823525
x77 = -25.755075545971
x78 = -67.778979682778
x79 = -44.6046314675098
x80 = 46.5015554865942
x81 = -16.3302975852016
x82 = -82.3037433105873
x83 = -77.2037576435474
x84 = 99.9086305976207
x85 = 86.1590603431218
x86 = 93.6254452904411
x87 = -39.5046458004699
x88 = 13.9024293105566
x89 = -76.0205580034077
x90 = 101.867023611071
x90 = 101.867023611071