6cos(2x)=-6cos(x)

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Solution for 6cos(2x)=-6cos(x) equation:


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

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

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

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

Multiply cos * x
12cosx = -6cos(x)

Multiply cos * x
12cosx = -6cosx

Solving
12cosx = -6cosx

Solving for variable 'c'.

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

Add '6cosx' to each side of the equation.
12cosx + 6cosx = -6cosx + 6cosx

Combine like terms: 12cosx + 6cosx = 18cosx
18cosx = -6cosx + 6cosx

Combine like terms: -6cosx + 6cosx = 0
18cosx = 0

Divide each side by '18'.
cosx = 0

Simplifying
cosx = 0

The solution to this equation could not be determined.

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