cos(5x)=13cos(x)

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Solution for cos(5x)=13cos(x) equation:


Simplifying
cos(5x) = 13cos(x)

Remove parenthesis around (5x)
cos * 5x = 13cos(x)

Reorder the terms for easier multiplication:
5cos * x = 13cos(x)

Multiply cos * x
5cosx = 13cos(x)

Multiply cos * x
5cosx = 13cosx

Solving
5cosx = 13cosx

Solving for variable 'c'.

Move all terms containing c to the left, all other terms to the right.

Add '-13cosx' to each side of the equation.
5cosx + -13cosx = 13cosx + -13cosx

Combine like terms: 5cosx + -13cosx = -8cosx
-8cosx = 13cosx + -13cosx

Combine like terms: 13cosx + -13cosx = 0
-8cosx = 0

Divide each side by '-8'.
cosx = 0

Simplifying
cosx = 0

The solution to this equation could not be determined.

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