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- La ecuación:
-
Ecuación x^3-x^2-x-1=0
-
Ecuación 12-4(x-3)=39-9x
-
Ecuación 0,2x+2,7=1,4-1,1x
-
Ecuación x^2=2x+8
- Expresar {x} en función de y en la ecuación:
- -11*x-14*y=-3
- -9*x-1*y=6
- -2*x+2*y=4
- -11*x-3*y=14
- Derivada de:
-
-1
- Límite de la función:
-
-1
- Forma canónica:
- -1
-
Expresiones idénticas
- Cosxcos2x-sin2xx=- uno
- Cosx coseno de 2x menos seno de 2xx es igual a menos 1
- Cosx coseno de 2x menos seno de 2xx es igual a menos uno
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Expresiones semejantes
- Cosxcos2x-sin2xx=+1
- Cosxcos2x+sin2xx=-1
Cosxcos2x-sin2xx=-1 la ecuación
El profesor se sorprenderá mucho al ver tu solución correcta😉
Solución
Ha introducido
[src]
cos(x)*cos(2*x) - sin(2*x)*x = -1
$$- x \sin{\left(2 x \right)} + \cos{\left(x \right)} \cos{\left(2 x \right)} = -1$$
Respuesta numérica
[src]
x1 = -51.8267228428834
x2 = -59.6902604182061
x3 = -62.847762188442
x4 = -31.4477066335201
x5 = -87.975960185541
x6 = -21.9911485751286
x7 = -14.1028982749165
x8 = -81.6936487773558
x9 = 37.7256081854547
x10 = -1.2503960943316
x11 = -29.8280785221256
x12 = -86.387976307277
x13 = 20.3964150642233
x14 = -58.1109328378878
x15 = 34.5575191894877
x16 = 81.6936487773558
x17 = 1.2503960943316
x18 = -7.79352651649132
x19 = -42.3995664229992
x20 = -45.5422330072864
x21 = -0.889219868804285
x22 = -102.096887721476
x23 = 26.6851408326933
x24 = 89.5298367972891
x25 = 73.8206077859856
x26 = -95.8133844536606
x27 = -89.5298367972891
x28 = 94.2583880466581
x29 = -20.3964150642233
x30 = -65.9734457253857
x31 = -80.1043314384128
x32 = 48.6843085808507
x33 = 4.58921370987677
x34 = 86.387976307277
x35 = 29.8280785221256
x36 = 59.6902604182061
x37 = -44.0050149934395
x38 = 95.8133844536606
x39 = 72.2566310325652
x40 = -67.5367831883993
x41 = 32.9717826093313
x42 = -9.42477796076938
x43 = 67.5367831883993
x44 = -64.394944327908
x45 = 0.889219868804285
x46 = 7.79352651649132
x47 = -72.2566310325652
x48 = 17.2488903008089
x49 = 87.975960185541
x50 = 51.8267228428834
x51 = 3.14159265358979
x52 = -36.1142744146299
x53 = 50.2853643749308
x54 = 28.2743338823081
x55 = 58.1109328378878
x56 = 80.1043314384128
x57 = -83.2462347586613
x58 = -53.4070751110265
x59 = 21.9911485751286
x60 = 92.671558508899
x61 = 100.540910540959
x62 = -15.707963267949
x63 = 65.9734457253857
x64 = -94.2583880466581
x65 = 36.1142744146299
x66 = -17.2488903008089
x67 = 78.5398163397448
x68 = 15.707963267949
x69 = 119.388896481966
x70 = 6.43645012637085
x71 = -75.4114829063386
x72 = -97.3893722612836
x73 = -6.43645012637085
x74 = 45.5422330072864
x75 = -39.2573305087883
x76 = -37.7256081854547
x77 = 23.5402372506087
x78 = -28.2743338823081
x79 = -23.5402372506087
x80 = 44.0050149934395
x81 = -50.2853643749308
x82 = -61.2528263104196
x83 = 56.5663429004253
x84 = 12.6451668060116
x85 = 14.1028982749165
x86 = 70.6788099084989
x87 = 64.394944327908
x88 = -73.8206077859856
x89 = 42.3995664229992
x89 = 42.3995664229992