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- La ecuación:
-
Ecuación (x-5)^2=(x-8)^2
- Ecuación x+y+2=0
-
Ecuación 9/(x-2)=9/2
-
Ecuación 4(x-3)=x+6
- Expresar {x} en función de y en la ecuación:
- -13*x+7*y=11
- -7*x-7*y=-14
- 5*x-13*y=-1
- -9*x-4*y=-20
- Derivada de:
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2*cos(x/2)
-
1+cosx
- Gráfico de la función y =:
-
2*cos(x/2)
-
1+cosx
- Integral de d{x}:
- 1+cosx
-
Expresiones idénticas
- dos *cos(x/ dos)= uno +cosx
- 2 multiplicar por coseno de (x dividir por 2) es igual a 1 más coseno de x
- dos multiplicar por coseno de (x dividir por dos) es igual a uno más coseno de x
- 2cos(x/2)=1+cosx
- 2cosx/2=1+cosx
- 2*cos(x dividir por 2)=1+cosx
-
Expresiones semejantes
- 1+cos(x)=2*cos(x)/2
- 2*cos(x/2)=1-cosx
- sqrt(2)*cos(x/2)+1=0
- sin(x/2)*cos(3x/2)-1/√(3)*sin(2x)=sin(3x/2)*cos(x/2)
-
Expresiones con funciones
- Coseno cos
- cos(pi*(x-1)/3)=1/2
- cos(pi*x)=1
- cos(-x)=1
- cos(x+(pi/6))=1
- cos4x=0
- cosx
- cosx=-1.2
- cosx=√3/2
- cosx-lnx=0
- cosx+1,3-lnx=0
- cosx=-sinx
2*cos(x/2)=1+cosx la ecuación
El profesor se sorprenderá mucho al ver tu solución correcta😉
Solución
Ha introducido
[src]
/x\
2*cos|-| = 1 + cos(x)
\2/
$$2 \cos{\left(\frac{x}{2} \right)} = \cos{\left(x \right)} + 1$$
Respuesta rápida
[src]
x1 = 0
$$x_{1} = 0$$
x2 = -pi
$$x_{2} = - \pi$$
x3 = pi
$$x_{3} = \pi$$
x3 = pi
Suma y producto de raíces
[src]
suma
-pi + pi
$$\pi - \pi$$
=
0
$$0$$
producto
0*(-pi)*pi
$$\pi 0 \left(- \pi\right)$$
=
0
$$0$$
0
Respuesta numérica
[src]
x1 = -75.3982238711374
x2 = 50.2654820744793
x3 = 25.1327415937926
x4 = 3.14159265358979
x5 = -87.9645943586551
x6 = -47.1238898038469
x7 = -34.5575191894877
x8 = -37.699112207722
x9 = -65.9734457253857
x10 = 37.6991116788082
x11 = 59.6902604182061
x12 = 72.2566310325652
x13 = -50.2654825512886
x14 = 91.106186954104
x15 = -50.2654828534335
x16 = -91.106186954104
x17 = 5.65128337777279e-7
x18 = -12.5663703251897
x19 = -7115.70736038088
x20 = -37.6991118772353
x21 = 87.9645943358683
x22 = -9.42477796076938
x23 = -100.530964637817
x24 = 65.9734457253857
x25 = -50.2654822886107
x26 = 25.1327408734344
x27 = 21.9911485751286
x28 = 100.5309635361
x29 = -40.8407044966673
x30 = -25.1327415157014
x31 = 37.6991120281288
x32 = -97.3893722612836
x33 = -75.398223449493
x34 = -53.4070751110265
x35 = 97.3893722612836
x36 = 78.5398163397448
x37 = 12.566370803741
x38 = 53.4070751110265
x39 = 47.1238898038469
x40 = 75.398223320477
x41 = 87.9645944088954
x42 = -62.8318534326663
x43 = -12.5663709739477
x44 = 34.5575191894877
x45 = 50.2654824463412
x46 = 100.530964761509
x47 = 12.5663711440731
x48 = 62.8318529942854
x49 = 75.3982239868495
x50 = -25.1327408560625
x51 = -15.707963267949
x52 = -3.14159265358979
x53 = -59.6902604182061
x54 = 12.5663704449615
x55 = -28.2743338823081
x56 = 9.42477796076938
x57 = -21.9911485751286
x58 = -62.8318527127185
x59 = -37.6991117237943
x60 = 15.707963267949
x61 = 62.8318534384857
x62 = 62.8318527967639
x63 = -87.9645934570466
x64 = 84.8230016469244
x65 = -78.5398163397448
x66 = -15092.2111080766
x67 = -72.2566310325652
x68 = -84.8230016469244
x69 = 0.0
x70 = 28.2743338823081
x71 = 40.8407044966673
x71 = 40.8407044966673