What is the general solution for solvefor x,u=cos(x) ?

The general solution for solvefor x,u=cos(x) is x=arccos(u)+2pin,x=-arccos(u)+2pin

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solvefor x,u=cos(x)

solve for

x, u = cos (x)

x = arccos (u) + 2 πn, x = - arccos (u) + 2 πn

Solution steps

u = cos (x)

Switch sides

cos (x) = u

Apply trig inverse properties

x = arccos (u) + 2 πn, x = - arccos (u) + 2 πn

tan (x) + 1 = \frac{1}{5}

cos (2 x) = \frac{119}{169}

x, 2 cos (x) - 1 = 0

2 sin (2 x) = - 2

tan^{4} (x) + 2 tan^{2} (x) - 7 = 0

What is the general solution for solvefor x,u=cos(x) ?
The general solution for solvefor x,u=cos(x) is x=arccos(u)+2pin,x=-arccos(u)+2pin