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La ecuación:
Ecuación 3^x=27
Ecuación 2x^2-x-1=x^2-5x-(-1-x^2)
Ecuación x(x^2+2x+1)=6(x+1)
Ecuación 4x+1=-3x+15
Expresar {x} en función de y en la ecuación:
-6*x-20*y=8
7*x-1*y=0
2*x-8*y=4
2*x-15*y=-1
Gráfico de la función y =:
1+cos(x)
2*cos(x/2)
Límite de la función:
1+cos(x)
Derivada de:
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)
b+1/(2*(cos(x)+1))-(cos(x/2)^(2)*log(cos(x/2)))/(cos(x)+1)+(cos(x/2)^(2)*log(sin(x/2)))/(cos(x)+1)=y
sqrt(2)*cos(x/2+3)+1=0
1-cos(x)=2*cos(x/2)
2*cos(x/2+3)+1=0
4*sin(x/2)^(2)-3=2*sin(x/2)*cos(x/2)
5(1+cosx)=0
1+cosx=2*cos(x/2)
Expresiones con funciones
Coseno cos
cos(x)=-(2/5)
cos(x)=-(4/5)
cos(x)^2=-1
cos(x+(pi/6))=-1
cos(3*x+pi/4)=1
Coseno cos
cos(x)=-(2/5)
cos(x)=-(4/5)
cos(x)^2=-1
cos(x+(pi/6))=-1
cos(3*x+pi/4)=1

1+cos(x)=2*cos(x/2) la ecuación

El profesor se sorprenderá mucho al ver tu solución correcta😉

Ha introducido [src]

                  /x\
1 + cos(x) = 2*cos|-|
                  \2/

\cos{\left(x \right)} + 1 = 2 \cos{\left(\frac{x}{2} \right)}

Simplificar

Gráfica

Trazar el gráfico f1(x)

Trazar el gráfico f2(x)

Suma y producto de raíces [src]

suma

-pi + pi

\pi - \pi

0

producto

0*(-pi)*pi

\pi 0 \left(- \pi\right)

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