cos(2x)+3cosx=1

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Solution for cos(2x)+3cosx=1 equation: 


Simplifying
cos(2x) + 3cosx = 1

Remove parenthesis around (2x)
cos * 2x + 3cosx = 1

Reorder the terms for easier multiplication:
2cos * x + 3cosx = 1

Multiply cos * x
2cosx + 3cosx = 1

Combine like terms: 2cosx + 3cosx = 5cosx
5cosx = 1

Solving
5cosx = 1

Solving for variable 'c'.

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

Divide each side by '5osx'.
c = 0.2o-1s-1x-1

Simplifying
c = 0.2o-1s-1x-1

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