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- La ecuación:
-
Ecuación x^3+3x^2-x-3=0
-
Ecuación x^3-6x^2+11x-6=0
-
Ecuación x/4+x=12
-
Ecuación x+4=-1
- Expresar {x} en función de y en la ecuación:
- 9*x-1*y=17
- 10*x-2*y=11
- -18*x-13*y=2
- -12*x-8*y=13
-
Expresiones idénticas
- Cos3x*Cosx-Sin3x*Cosx= uno
- Cos3x multiplicar por Cosx menos Sin3x multiplicar por Cosx es igual a 1
- Cos3x multiplicar por Cosx menos Sin3x multiplicar por Cosx es igual a uno
- Cos3xCosx-Sin3xCosx=1
-
Expresiones semejantes
- Cos3x*Cosx+Sin3x*Cosx=1
Cos3x*Cosx-Sin3x*Cosx=1 la ecuación
El profesor se sorprenderá mucho al ver tu solución correcta😉
Solución
Ha introducido
[src]
cos(3*x)*cos(x) - sin(3*x)*cos(x) = 1
$$- \sin{\left(3 x \right)} \cos{\left(x \right)} + \cos{\left(x \right)} \cos{\left(3 x \right)} = 1$$
Respuesta numérica
[src]
x1 = -47.6021427633482
x2 = 69.1150383789755
x3 = 65.9734457253857
x4 = -91.106186954104
x5 = -3.61984561309114
x6 = -103.672557568463
x7 = 103.194304608962
x8 = -59.6902604182061
x9 = -21.9911485751286
x10 = 78.0615633802435
x11 = 12.5663706143592
x12 = 18.3713029620374
x13 = 21.9911485751286
x14 = 49.7872294979353
x15 = -91.5844399136054
x16 = -15.707963267949
x17 = -53.4070751110265
x18 = -72.2566310325652
x19 = 34.0792662299864
x20 = -81.6814089933346
x21 = 12.0881176548578
x22 = 21.5128956156272
x23 = -65.9734457253857
x24 = -22.4694015346299
x25 = 94.2477796076938
x26 = -775.973385436679
x27 = 0.0
x28 = -94.7260325671951
x29 = 59.6902604182061
x30 = -28.2743338823081
x31 = 91.106186954104
x32 = 15.707963267949
x33 = 6.28318530717959
x34 = -25.6109941882197
x35 = 100.052711955372
x36 = 87.9645943005142
x37 = 43.9822971502571
x38 = -47.1238898038469
x39 = 72.2566310325652
x40 = 373.371272817684
x41 = -12.5663706143592
x42 = -97.3893722612836
x43 = -50.2654824574367
x44 = -97.8676252207849
x45 = -31.8941794953993
x46 = -69.5932913384768
x47 = 62.3536001122945
x48 = 81.6814089933346
x49 = -75.398223686155
x50 = 40.8407044966673
x51 = 84.3447486874231
x52 = -9.90303092027072
x53 = -53.8853280705278
x54 = 37.6991118430775
x55 = -87.9645943005142
x56 = -6.28318530717959
x57 = 56.0704148051149
x58 = 50.2654824574367
x59 = -35.0357721489891
x60 = -37.6991118430775
x61 = -43.9822971502571
x62 = -75.8764766456564
x63 = 28.2743338823081
x64 = 62.8318530717959
x65 = -94.2477796076938
x66 = 40.362451537166
x66 = 40.362451537166