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- La ecuación:
-
Ecuación x^4+2*x^2-8=0
-
Ecuación x*(x^2+8*x+16)=5*(x+4)
-
Ecuación -25-x=-17
-
Ecuación x^2+3x=4
- Expresar {x} en función de y en la ecuación:
- -18*x-2*y=9
- -14*x+10*y=19
- -9*x+1*y=3
- -17*x+1*y=-11
- Integral de d{x}:
- |cosx|
-
Expresiones idénticas
- cosx-2sinx=|cosx|
- coseno de x menos 2 seno de x es igual a módulo de coseno de x|
-
Expresiones semejantes
- sqrt(sin(x))*(4-5*cos(x)-2*(sin(x))^2)=0
- (cos(x)-2*sin(x))/(sqrt(2*sin(x)-1))=0
- cosx+2sinx=|cosx|
- -2*sin(x)*cos(x)-2*sin(x)=0
- (-2x^2(sinx)^2+2x^2(cosx)^2+8xsinxcosx-2(sinx)^2)/(-2x^2(sinx)^2+2x^2(cosx)^2+8xsinxcosx+2(sinx)^2)=2/3
- (9^sin(2*x))/(1-2sin(x))=(9^|cos(x)|)/(1-2sin(x))
-
Expresiones con funciones
- cosx
- cosx/2=1/2
- cosx=-3√2
- cosx/1+sinx=0
- cosx+sin(п/2-x)+cos(п+x)=0
- cosx3=-12
- cosx
- cosx/2=1/2
- cosx=-3√2
- cosx/1+sinx=0
- cosx+sin(п/2-x)+cos(п+x)=0
- cosx3=-12
- Módulo |
- |x+2|+|x-3|=7
- ||3x-1|-5|=2x-3
- |x|=1
- |x|=-4
- |x|=-1
cosx-2sinx=|cosx| la ecuación
El profesor se sorprenderá mucho al ver tu solución correcta😉
Solución
Ha introducido
[src]
cos(x) - 2*sin(x) = |cos(x)|
$$- 2 \sin{\left(x \right)} + \cos{\left(x \right)} = \left|{\cos{\left(x \right)}}\right|$$
Respuesta numérica
[src]
x1 = 12.5663706143592
x2 = 73.0420291959627
x3 = 37.6991118430775
x4 = -96.6039740978861
x5 = -8.63937979737193
x6 = -33.7721210260903
x7 = -71.4712328691678
x8 = 3.92699081698724
x9 = -31.4159265358979
x10 = 0.0
x11 = -40.0553063332699
x12 = -58.9048622548086
x13 = -50.2654824574367
x14 = -94.2477796076938
x15 = 6.28318530717959
x16 = -84.037603483527
x17 = -69.1150383789755
x18 = 69.1150383789755
x19 = 62.8318530717959
x20 = 66.7588438887831
x21 = 50.2654824574367
x22 = 81.6814089933346
x23 = 100.530964914873
x24 = -87.9645943005142
x25 = -62.8318530717959
x26 = -18.8495559215388
x27 = -27.4889357189107
x28 = 85.6083998103219
x29 = 54.1924732744239
x30 = 98.174770424681
x31 = -21.2057504117311
x32 = -56.5486677646163
x33 = 10.2101761241668
x34 = -37.6991118430775
x35 = 41.6261026600648
x36 = -25.1327412287183
x37 = -100.530964914873
x38 = 35.3429173528852
x39 = -75.398223686155
x40 = 18.8495559215388
x41 = -6.28318530717959
x42 = 25.1327412287183
x43 = -90.3207887907066
x44 = 91.8915851175014
x45 = 990.387084044182
x46 = -2.35619449019234
x47 = 56.5486677646163
x48 = -43.9822971502571
x49 = -65.1880475619882
x50 = 22.776546738526
x51 = 79.3252145031423
x52 = 31.4159265358979
x53 = 94.2477796076938
x54 = -46.3384916404494
x55 = -12.5663706143592
x56 = 29.0597320457056
x57 = 75.398223686155
x58 = -52.621676947629
x59 = -14.9225651045515
x60 = 47.9092879672443
x61 = 60.4756585816035
x62 = 16.4933614313464
x63 = -77.7544181763474
x64 = -81.6814089933346
x65 = 43.9822971502571
x66 = 87.9645943005142
x66 = 87.9645943005142