4cos^2x-cosx=k

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Solution for 4cos^2x-cosx=k equation: 


Simplifying
4cos2x + -1cosx = k

Reorder the terms:
-1cosx + 4cos2x = k

Solving
-1cosx + 4cos2x = k

Solving for variable 'c'.

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

Combine like terms: k + -1k = 0
-1cosx + 4cos2x + -1k = 0

The solution to this equation could not be determined.

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