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cos(-x-(pi/3))=1/2 la ecuación

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Solución numérica:

Buscar la solución numérica en el intervalo [, ]

Solución

Ha introducido [src]
   /     pi\      
cos|-x - --| = 1/2
   \     3 /      
cos(xπ3)=12\cos{\left(- x - \frac{\pi}{3} \right)} = \frac{1}{2}
Solución detallada
Tenemos la ecuación
cos(xπ3)=12\cos{\left(- x - \frac{\pi}{3} \right)} = \frac{1}{2}
es la ecuación trigonométrica más simple
Esta ecuación se reorganiza en
x+π3=πn+acos(12)x + \frac{\pi}{3} = \pi n + \operatorname{acos}{\left(\frac{1}{2} \right)}
x+π3=πnπ+acos(12)x + \frac{\pi}{3} = \pi n - \pi + \operatorname{acos}{\left(\frac{1}{2} \right)}
O
x+π3=πn+π3x + \frac{\pi}{3} = \pi n + \frac{\pi}{3}
x+π3=πn2π3x + \frac{\pi}{3} = \pi n - \frac{2 \pi}{3}
, donde n es cualquier número entero
Transportemos
π3\frac{\pi}{3}
al miembro derecho de la ecuación
con el signo opuesto, en total:
x=πnx = \pi n
x=πnπx = \pi n - \pi
Gráfica
0-80-60-40-2020406080-1001002-2
Respuesta rápida [src]
x1 = 0
x1=0x_{1} = 0
     4*pi
x2 = ----
      3  
x2=4π3x_{2} = \frac{4 \pi}{3}
x2 = 4*pi/3
Suma y producto de raíces [src]
suma
4*pi
----
 3  
4π3\frac{4 \pi}{3}
=
4*pi
----
 3  
4π3\frac{4 \pi}{3}
producto
  4*pi
0*----
   3  
04π30 \frac{4 \pi}{3}
=
0
00
0
Respuesta numérica [src]
x1 = 62.8318530717959
x2 = -50.2654824574367
x3 = 85.870199198121
x4 = 41.8879020478639
x5 = 73.3038285837618
x6 = 678.584013175395
x7 = -58.6430628670095
x8 = 25.1327412287183
x9 = 67.0206432765823
x10 = -6.28318530717959
x11 = -8.37758040957278
x12 = -18.8495559215388
x13 = -75.398223686155
x14 = -27.2271363311115
x15 = 79.5870138909414
x16 = -77.4926187885482
x17 = -33.5103216382911
x18 = 111.002940426839
x19 = -90.0589894029074
x20 = -43.9822971502571
x21 = -71.2094334813686
x22 = 31.4159265358979
x23 = 29.3215314335047
x24 = 35.6047167406843
x25 = 927.817030360186
x26 = 92.1533845053006
x27 = 48.1710873550435
x28 = -69.1150383789755
x29 = -102.625360017267
x30 = 12.5663706143592
x31 = 87.9645943005142
x32 = -37.6991118430775
x33 = 10.471975511966
x34 = -20.943951023932
x35 = -100.530964914873
x36 = 0.0
x37 = -12.5663706143592
x38 = 18.8495559215388
x39 = -178.023583703422
x40 = -94.2477796076938
x41 = 43.9822971502571
x42 = -31.4159265358979
x43 = 100.530964914873
x44 = -81.6814089933346
x45 = 56.5486677646163
x46 = -14.6607657167524
x47 = -83.7758040957278
x48 = -39.7935069454707
x49 = -18738.5529811119
x50 = -56.5486677646163
x51 = 50.2654824574367
x52 = 54.4542726622231
x53 = 94.2477796076938
x54 = -64.9262481741891
x55 = -2.0943951023932
x56 = -62.8318530717959
x57 = 1005.30964914873
x58 = 69.1150383789755
x59 = -46.0766922526503
x60 = 37.6991118430775
x61 = -87.9645943005142
x62 = -25.1327412287183
x63 = 23.0383461263252
x64 = 60.7374579694027
x65 = 16.7551608191456
x66 = -52.3598775598299
x67 = 6.28318530717959
x68 = 81.6814089933346
x69 = 98.4365698124802
x70 = -96.342174710087
x71 = 4.18879020478639
x72 = 75.398223686155
x72 = 75.398223686155