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- La ecuación:
-
Ecuación x^2-4x+5=0
-
Ecuación x^2+3x+2=0
-
Ecuación -25-x=-17
-
Ecuación x^2+3x=4
- Expresar {x} en función de y en la ecuación:
- 10*x-2*y=0
- 1*x+4*y=20
- 3*x-7*y=13
- 13*x-15*y=-6
- Integral de d{x}:
- 2cotx
-
Expresiones idénticas
- sinx+cosx/sinx=2cotx
- seno de x más coseno de x dividir por seno de x es igual a 2 cotangente de x
- sinx+cosx dividir por sinx=2cotx
-
Expresiones semejantes
- (tan(x)-2*cot(x))+1=0
- sinx-cosx/sinx=2cotx
- tan(x)+2*cot(x)-5=0
- 3*tan(x)+2*cot(x)+5=0
- 2*sin(x)^2*cot(x)+sin(4*x-pi/2)+1=0
-
Expresiones con funciones
- sinx
- sinx+cosx=1
- sinx
- sinx=1
- sinx=1/3
- sinx=2:2
- cosx
- cosx*cosx+(x-Pi/2)^(1/2)*cosx+(x-Pi/2)^(1/2)=0
- cosx/1+sinx=0
- cosx3=-12
- cosx*cos2x*cos4x=0.125
- cosx=c+2
- sinx
- sinx+cosx=1
- sinx
- sinx=1
- sinx=1/3
- sinx=2:2
sinx+cosx/sinx=2cotx la ecuación
El profesor se sorprenderá mucho al ver tu solución correcta😉
Solución
Ha introducido
[src]
cos(x)
sin(x) + ------ = 2*cot(x)
sin(x)
$$\sin{\left(x \right)} + \frac{\cos{\left(x \right)}}{\sin{\left(x \right)}} = 2 \cot{\left(x \right)}$$
Respuesta rápida
[src]
/ __________________________________________________________________________________________________________________________________________________\
| / ___________ ___________ ___________ ____________ ____________ ____________ |
/ ___ \ | / ___ ____ / ___ ___ / ___ / ___ / ___ ___ / ___ ____ / ___ |
| \/ 2 | | / 3 \/ 5 \/ 10 *\/ 1 - \/ 5 \/ 2 *\/ 1 - \/ 5 I*\/ 1 - \/ 5 *\/ -1 + \/ 5 I*\/ 2 *\/ -1 + \/ 5 I*\/ 10 *\/ -1 + \/ 5 |
x1 = - atan|---------------| - I*log| / - - ----- - --------------------- + -------------------- - -------------------------------- - ----------------------- + ------------------------ |
| ____________| \\/ 2 2 4 4 2 4 4 /
| / ___ |
\\/ -1 + \/ 5 /
$$x_{1} = - \operatorname{atan}{\left(\frac{\sqrt{2}}{\sqrt{-1 + \sqrt{5}}} \right)} - i \log{\left(\sqrt{- \frac{\sqrt{5}}{2} - \frac{i \sqrt{-1 + \sqrt{5}} \sqrt{1 - \sqrt{5}}}{2} + \frac{3}{2} - \frac{\sqrt{10} \sqrt{1 - \sqrt{5}}}{4} - \frac{\sqrt{2} i \sqrt{-1 + \sqrt{5}}}{4} + \frac{\sqrt{2} \sqrt{1 - \sqrt{5}}}{4} + \frac{\sqrt{10} i \sqrt{-1 + \sqrt{5}}}{4}} \right)}$$
/ __________________________________________________________________________________________________________________________________________________\
| / ___________ ___________ ___________ ____________ ____________ ____________ |
| / ___ ___ / ___ ____ / ___ / ___ / ___ ____ / ___ ___ / ___ | / ___ \
| / 3 \/ 5 \/ 2 *\/ 1 - \/ 5 \/ 10 *\/ 1 - \/ 5 I*\/ 1 - \/ 5 *\/ -1 + \/ 5 I*\/ 10 *\/ -1 + \/ 5 I*\/ 2 *\/ -1 + \/ 5 | | \/ 2 |
x2 = - I*log| / - - ----- - -------------------- + --------------------- - -------------------------------- - ------------------------ + ----------------------- | + atan|---------------|
\\/ 2 2 4 4 2 4 4 / | ____________|
| / ___ |
\\/ -1 + \/ 5 /
$$x_{2} = - i \log{\left(\sqrt{- \frac{\sqrt{5}}{2} - \frac{i \sqrt{-1 + \sqrt{5}} \sqrt{1 - \sqrt{5}}}{2} + \frac{3}{2} - \frac{\sqrt{10} i \sqrt{-1 + \sqrt{5}}}{4} - \frac{\sqrt{2} \sqrt{1 - \sqrt{5}}}{4} + \frac{\sqrt{2} i \sqrt{-1 + \sqrt{5}}}{4} + \frac{\sqrt{10} \sqrt{1 - \sqrt{5}}}{4}} \right)} + \operatorname{atan}{\left(\frac{\sqrt{2}}{\sqrt{-1 + \sqrt{5}}} \right)}$$
/ 2 \
x3 = pi + I*log|--------------------------------|
| ___________|
| ___ ___ / ___ |
\1 + \/ 5 + \/ 2 *\/ 1 + \/ 5 /
$$x_{3} = \pi + i \log{\left(\frac{2}{1 + \sqrt{5} + \sqrt{2} \sqrt{1 + \sqrt{5}}} \right)}$$
/ 2 \
x4 = pi + I*log|--------------------------------|
| ___________|
| ___ ___ / ___ |
\1 + \/ 5 - \/ 2 *\/ 1 + \/ 5 /
$$x_{4} = \pi + i \log{\left(\frac{2}{- \sqrt{2} \sqrt{1 + \sqrt{5}} + 1 + \sqrt{5}} \right)}$$
x4 = pi + i*log(2/(-sqrt(2)*sqrt(1 + sqrt(5)) + 1 + sqrt(5)))
Respuesta numérica
[src]
x1 = -43.0777402559547
x2 = -44.8868540445595
x3 = -49.3609255631343
x4 = 7.18774220148197
x5 = 87.0600374062118
x6 = -82.585965887637
x7 = -93.3432227133914
x8 = 88.8691511948166
x9 = -38.6036687373799
x10 = -87.0600374062118
x11 = -7.18774220148197
x12 = 43.0777402559547
x13 = 80.7768520990322
x14 = -88.8691511948166
x15 = 32.3204834302003
x16 = -95.1523365019962
x17 = 11.6618137200568
x18 = 82.585965887637
x19 = -13.4709275086616
x20 = 95.1523365019962
x21 = -55.6441108703139
x22 = 70.0195952732778
x23 = -17.9449990272364
x24 = -24.228184334416
x25 = 55.6441108703139
x26 = -0.904556894302381
x27 = -80.7768520990322
x28 = -51.1700393517391
x29 = 99.626408020571
x30 = 51.1700393517391
x31 = 57.4532246589187
x32 = -61.9272961774935
x33 = -26.0372981230207
x34 = 93.3432227133914
x35 = -63.7364099660982
x36 = 19.7541128158411
x37 = 74.4936667918527
x38 = -30.5113696415956
x39 = 36.7945549487751
x40 = 17.9449990272364
x41 = -5.37862841287721
x42 = 26.0372981230207
x43 = -68.2104814846731
x44 = -76.3027805804574
x45 = 44.8868540445595
x46 = -36.7945549487751
x47 = 24.228184334416
x48 = -19.7541128158411
x49 = 13.4709275086616
x50 = -32.3204834302003
x51 = 0.904556894302381
x52 = -70.0195952732778
x53 = -11.6618137200568
x54 = -57.4532246589187
x55 = 63.7364099660982
x56 = 5.37862841287721
x57 = 68.2104814846731
x58 = 49.3609255631343
x59 = 30.5113696415956
x60 = 61.9272961774935
x61 = 76.3027805804574
x62 = -99.626408020571
x63 = -74.4936667918527
x64 = 38.6036687373799
x64 = 38.6036687373799