cos(2x)+6cos^2(x)=5

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Solution for cos(2x)+6cos^2(x)=5 equation: 


Simplifying
cos(2x) + 6cos2(x) = 5

Remove parenthesis around (2x)
cos * 2x + 6cos2(x) = 5

Reorder the terms for easier multiplication:
2cos * x + 6cos2(x) = 5

Multiply cos * x
2cosx + 6cos2(x) = 5

Multiply cos2 * x
2cosx + 6cos2x = 5

Solving
2cosx + 6cos2x = 5

Solving for variable 'c'.

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

Reorder the terms:
-5 + 2cosx + 6cos2x = 5 + -5

Combine like terms: 5 + -5 = 0
-5 + 2cosx + 6cos2x = 0

The solution to this equation could not be determined.

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