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- La ecuación:
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Ecuación x^3-x^2-x-1=0
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Ecuación 3x-2(3x+4)=10
-
Ecuación 12-4(x-3)=39-9x
-
Ecuación 0,2x+2,7=1,4-1,1x
- Expresar {x} en función de y en la ecuación:
- 7*x-1*y=0
- -11*x-3*y=14
- 2*x-15*y=-1
- -18*x-6*y=-1
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Expresiones idénticas
- (sin^ dos (x)-sin(x))/lg(cos(x))= cero
- ( seno de al cuadrado (x) menos seno de (x)) dividir por lg( coseno de (x)) es igual a 0
- ( seno de en el grado dos (x) menos seno de (x)) dividir por lg( coseno de (x)) es igual a cero
- (sin2(x)-sin(x))/lg(cos(x))=0
- sin2x-sinx/lgcosx=0
- (sin²(x)-sin(x))/lg(cos(x))=0
- (sin en el grado 2(x)-sin(x))/lg(cos(x))=0
- sin^2x-sinx/lgcosx=0
- (sin^2(x)-sin(x))/lg(cos(x))=O
- (sin^2(x)-sin(x)) dividir por lg(cos(x))=0
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Expresiones semejantes
- (sin^2(x)+sin(x))/lg(cos(x))=0
- (sin^2(x)-sinx)/lg(cosx)=0
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Expresiones con funciones
- Seno sin
- sin(x)=1/3
- sin(6*x)=9/8
- sin(2x)=-1/2
- sin(3*x)-cos(3*x)=0
- sin(x)^(2)-sin(x)=0
- Seno sin
- sin(x)=1/3
- sin(6*x)=9/8
- sin(2x)=-1/2
- sin(3*x)-cos(3*x)=0
- sin(x)^(2)-sin(x)=0
- lg
- lg(x)/lg(2)=10
- lg(x)=1/x
- lg(x)=0.1
- lgx=1,01
- lg10x=2,07
- Coseno cos
- cos(x)=-3
- cos(0.5-y)-0.5y+2=0
- cos(7*x)+cos(x)=0
- cos(2*x-pi/4)=0
- cos(x)=-(2/5)
(sin^2(x)-sin(x))/lg(cos(x))=0 la ecuación
El profesor se sorprenderá mucho al ver tu solución correcta😉
Solución
Ha introducido
[src]
2 sin (x) - sin(x) ---------------- = 0 log(cos(x))
$$\frac{\sin^{2}{\left(x \right)} - \sin{\left(x \right)}}{\log{\left(\cos{\left(x \right)} \right)}} = 0$$
Suma y producto de raíces
[src]
suma
pi -- + pi 2
$$\frac{\pi}{2} + \pi$$
=
3*pi ---- 2
$$\frac{3 \pi}{2}$$
producto
pi --*pi 2
$$\frac{\pi}{2} \pi$$
=
2 pi --- 2
$$\frac{\pi^{2}}{2}$$
pi^2/2
Respuesta numérica
[src]
x1 = -97.3893722612836
x2 = -15.707963267949
x3 = -29.8451259393153 + 2.49014146588441e-8*i
x4 = -28.2743338823081
x5 = 51.8362799535489 - 1.28683024932891e-7*i
x6 = -53.4070751110265
x7 = 15.707963267949
x8 = -21.9911485751286
x9 = -61.2610590508425
x10 = -86.3937957165151 - 3.33099276549571e-7*i
x11 = 89.5353928796757 - 6.76787455635171e-7*i
x12 = -72.2566310325652
x13 = 97.3893722612836
x14 = -34.5575191894877
x15 = 21.9911485751286
x16 = 95.818577220403 - 1.39146412167696e-7*i
x17 = 9.42477796076938
x18 = -78.5398163397448
x19 = -47.1238898038469
x20 = 32.9867181603359
x21 = -9.42477796076938
x22 = 76.9690155280036
x23 = 83.2522045233012 - 2.98344516453705e-7*i
x24 = 7.85398263367293 - 1.67155702776355e-7*i
x25 = 53.4070751110265
x26 = -91.106186954104
x27 = 40.8407044966673
x28 = 64.4026489284263
x29 = -98.960174001653
x30 = 78.5398163397448
x31 = 47.1238898038469
x32 = 34.5575191894877
x33 = -67.5442427369358
x34 = -80.1106118956266 - 1.20864244869499e-7*i
x35 = -40.8407044966673
x36 = 59.6902604182061
x37 = -48.6946856178806 + 7.63298245956086e-7*i
x38 = -54.9778766038144
x39 = 20.4203517093668
x40 = 58.1194646634977 - 2.14696938053812e-7*i
x41 = -65.9734457253857
x42 = -73.8274237235483 + 3.44287027987931e-7*i
x43 = -84.8230016469244
x44 = 91.106186954104
x45 = 65.9734457253857
x46 = 72.2566310325652
x47 = 14.1371693799162 - 2.786223466426e-7*i
x48 = -42.4114984171759 - 2.19338241240204e-7*i
x49 = -3.14159265358979
x50 = 3.14159265358979
x51 = 28.2743338823081
x52 = 45.5530959146417 - 3.0811064687883e-7*i
x53 = -10.9955792167219
x54 = -23.5619455124077
x55 = -59.6902604182061
x56 = 70.6858327748665
x57 = -36.1283146337114 - 1.49912981399443e-7*i
x58 = -4.71238883921748 + 9.65356832649749e-7*i
x59 = 84.8230016469244
x60 = -17.2787617713239
x61 = -92.6769825676694 + 5.3602211956973e-7*i
x62 = 1.57079875288337 - 2.69921196921221e-7*i
x63 = 26.703535503858
x64 = 39.2699076678296 + 8.73439748908113e-7*i
x64 = 39.2699076678296 + 8.73439748908113e-7*i