6*cos(2x)=cos(12x)

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Solution for 6*cos(2x)=cos(12x) equation:


Simplifying
6cos(2x) = cos(12x)

Remove parenthesis around (2x)
6cos * 2x = cos(12x)

Reorder the terms for easier multiplication:
6 * 2cos * x = cos(12x)

Multiply 6 * 2
12cos * x = cos(12x)

Multiply cos * x
12cosx = cos(12x)

Remove parenthesis around (12x)
12cosx = cos * 12x

Reorder the terms for easier multiplication:
12cosx = 12cos * x

Multiply cos * x
12cosx = 12cosx

Add '-12cosx' to each side of the equation.
12cosx + -12cosx = 12cosx + -12cosx

Combine like terms: 12cosx + -12cosx = 0
0 = 12cosx + -12cosx

Combine like terms: 12cosx + -12cosx = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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