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- La ecuación:
-
Ecuación 3x-2(3x+4)=10
-
Ecuación x(x^2+2x+1)=6(x+1)
-
Ecuación 4x+1=-3x+15
-
Ecuación 6*3+x=72
- Expresar {x} en función de y en la ecuación:
- 7*x-1*y=0
- -18*x-6*y=-1
- 13*x-12*y=19
- 6*x+9*y=-9
- Gráfico de la función y =:
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1+cos(x)
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2*cos(x/2)
- Límite de la función:
-
1+cos(x)
- Derivada de:
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2*cos(x/2)
-
Expresiones idénticas
- uno +cos(x)= dos *cos(x/ dos)
- 1 más coseno de (x) es igual a 2 multiplicar por coseno de (x dividir por 2)
- uno más coseno de (x) es igual a dos multiplicar por coseno de (x dividir por dos)
- 1+cos(x)=2cos(x/2)
- 1+cosx=2cosx/2
- 1+cos(x)=2*cos(x dividir por 2)
-
Expresiones semejantes
- 1+cosx=|1-√3(sinx)|
- cos(pi/2-9x/2)cos(x/2)+sin(pi+x/2)cos(9x/2)=sin^2(4x)
- 2*cos((x/2)+3)+1=0
- 2*cos(x)/2=cos(x)+1
- 5(1+cosx)=0
- -sinx=2cos*(x/2)
- 1-cos(x)=2*cos(x/2)
- 1+cosx=2*cos(x/2)
-
Expresiones con funciones
- Coseno cos
- cos(x)=-8
- cos(x)=-(4/5)
- cos(x)^2=-1
- cos(3*x)=1
- cos(x)=1/2
- Coseno cos
- cos(x)=-8
- cos(x)=-(4/5)
- cos(x)^2=-1
- cos(3*x)=1
- cos(x)=1/2
1+cos(x)=2*cos(x/2) la ecuación
El profesor se sorprenderá mucho al ver tu solución correcta😉
Solución
Ha introducido
[src]
/x\
1 + cos(x) = 2*cos|-|
\2/
$$\cos{\left(x \right)} + 1 = 2 \cos{\left(\frac{x}{2} \right)}$$
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 rápida
[src]
x1 = 0
$$x_{1} = 0$$
x2 = -pi
$$x_{2} = - \pi$$
x3 = pi
$$x_{3} = \pi$$
x3 = pi
Respuesta numérica
[src]
x1 = -91.106186954104
x2 = 84.8230016469244
x3 = -97.3893722612836
x4 = 91.106186954104
x5 = 12.5663704449615
x6 = -75.398223449493
x7 = -72.2566310325652
x8 = 62.8318529942854
x9 = -47.1238898038469
x10 = 15.707963267949
x11 = -62.8318527127185
x12 = 47.1238898038469
x13 = 40.8407044966673
x14 = 65.9734457253857
x15 = 100.5309635361
x16 = -28.2743338823081
x17 = 28.2743338823081
x18 = -40.8407044966673
x19 = 50.2654824463412
x20 = -15.707963267949
x21 = 37.6991116788082
x22 = 72.2566310325652
x23 = 62.8318527967639
x24 = 3.14159265358979
x25 = 5.65128337777279e-7
x26 = -59.6902604182061
x27 = -62.8318534326663
x28 = -25.1327408560625
x29 = -50.2654825512886
x30 = 21.9911485751286
x31 = 12.566370803741
x32 = 75.398223320477
x33 = -84.8230016469244
x34 = 78.5398163397448
x35 = 9.42477796076938
x36 = -87.9645934570466
x37 = -50.2654828534335
x38 = -53.4070751110265
x39 = -37.6991118772353
x40 = 53.4070751110265
x41 = -87.9645943586551
x42 = -75.3982238711374
x43 = -9.42477796076938
x44 = -50.2654822886107
x45 = 75.3982239868495
x46 = -37.6991117237943
x47 = 100.530964761509
x48 = -12.5663703251897
x49 = 87.9645943358683
x50 = -34.5575191894877
x51 = -100.530964637817
x52 = -25.1327415157014
x53 = -7115.70736038088
x54 = -3.14159265358979
x55 = 12.5663711440731
x56 = 0.0
x57 = -21.9911485751286
x58 = -15092.2111080766
x59 = -78.5398163397448
x60 = -12.5663709739477
x61 = 62.8318534384857
x62 = 87.9645944088954
x63 = -37.699112207722
x64 = 97.3893722612836
x65 = 25.1327408734344
x66 = 25.1327415937926
x67 = 37.6991120281288
x68 = 59.6902604182061
x69 = 50.2654820744793
x70 = 34.5575191894877
x71 = -65.9734457253857
x71 = -65.9734457253857