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cosx=-40/41 la ecuación

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Solución numérica:

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Solución

Ha introducido [src]
         -40 
cos(x) = ----
          41 
$$\cos{\left(x \right)} = - \frac{40}{41}$$
Solución detallada
Tenemos la ecuación
$$\cos{\left(x \right)} = - \frac{40}{41}$$
es la ecuación trigonométrica más simple
Esta ecuación se reorganiza en
$$x = \pi n + \operatorname{acos}{\left(- \frac{40}{41} \right)}$$
$$x = \pi n - \pi + \operatorname{acos}{\left(- \frac{40}{41} \right)}$$
O
$$x = \pi n + \operatorname{acos}{\left(- \frac{40}{41} \right)}$$
$$x = \pi n - \pi + \operatorname{acos}{\left(- \frac{40}{41} \right)}$$
, donde n es cualquier número entero
Gráfica
Suma y producto de raíces [src]
suma
      /-40 \              /-40 \
- acos|----| + 2*pi + acos|----|
      \ 41 /              \ 41 /
$$\operatorname{acos}{\left(- \frac{40}{41} \right)} + \left(- \operatorname{acos}{\left(- \frac{40}{41} \right)} + 2 \pi\right)$$
=
2*pi
$$2 \pi$$
producto
/      /-40 \       \     /-40 \
|- acos|----| + 2*pi|*acos|----|
\      \ 41 /       /     \ 41 /
$$\left(- \operatorname{acos}{\left(- \frac{40}{41} \right)} + 2 \pi\right) \operatorname{acos}{\left(- \frac{40}{41} \right)}$$
=
/      /-40 \       \     /-40 \
|- acos|----| + 2*pi|*acos|----|
\      \ 41 /       /     \ 41 /
$$\left(- \operatorname{acos}{\left(- \frac{40}{41} \right)} + 2 \pi\right) \operatorname{acos}{\left(- \frac{40}{41} \right)}$$
(-acos(-40/41) + 2*pi)*acos(-40/41)
Respuesta rápida [src]
           /-40 \       
x1 = - acos|----| + 2*pi
           \ 41 /       
$$x_{1} = - \operatorname{acos}{\left(- \frac{40}{41} \right)} + 2 \pi$$
         /-40 \
x2 = acos|----|
         \ 41 /
$$x_{2} = \operatorname{acos}{\left(- \frac{40}{41} \right)}$$
x2 = acos(-40/41)
Respuesta numérica [src]
x1 = -34.3362047471399
x2 = -9.64609240311717
x3 = 34.3362047471399
x4 = -21.7698341327808
x5 = 65.7521312830379
x6 = 28.4956483246559
x7 = 1800757.54613057
x8 = 78.7611307820926
x9 = -91.3275013964518
x10 = -47.3452042461947
x11 = -78.318501897397
x12 = -97.6106867036314
x13 = 40.6193900543195
x14 = 34.7788336318355
x15 = 47.3452042461947
x16 = 53.6283895533743
x17 = -72.0353165902174
x18 = 72.0353165902174
x19 = -2918.31826074257
x20 = 90.8848725117562
x21 = -15.4866488256012
x22 = -9.20346351842159
x23 = 84.6016872045766
x24 = -41.0620189390151
x25 = -2.920278211242
x26 = -40.6193900543195
x27 = 3.36290709593758
x28 = -46.9025753614991
x29 = 15.9292777102968
x30 = -78.7611307820926
x31 = 59.4689459758583
x32 = -66.1947601677334
x33 = 2.920278211242
x34 = -65.7521312830379
x35 = -59.4689459758583
x36 = 9.64609240311717
x37 = 85.0443160892722
x38 = 78.318501897397
x39 = -3.36290709593758
x40 = -15.9292777102968
x41 = 166.725725082607
x42 = -22.2124630174763
x43 = -59.9115748605539
x44 = 97.1680578189358
x45 = 22.2124630174763
x46 = -53.6283895533743
x47 = 28.0530194399603
x48 = 46.9025753614991
x49 = 91.3275013964518
x50 = -53.1857606686787
x51 = 66.1947601677334
x52 = -72.477945474913
x53 = -28.4956483246559
x54 = 41.0620189390151
x55 = 21.7698341327808
x56 = 97.6106867036314
x57 = -85.0443160892722
x58 = 72.477945474913
x59 = -97.1680578189358
x60 = 53.1857606686787
x61 = 9.20346351842159
x62 = 59.9115748605539
x63 = -90.8848725117562
x64 = 15.4866488256012
x65 = 2837.07948063393
x66 = -84.6016872045766
x67 = -34.7788336318355
x68 = -28.0530194399603
x68 = -28.0530194399603