2cos^2-cosx=1

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Solution for 2cos^2-cosx=1 equation: 


Simplifying
2cos2 + -1cosx = 1

Reorder the terms:
-1cosx + 2cos2 = 1

Solving
-1cosx + 2cos2 = 1

Solving for variable 'c'.

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

Reorder the terms:
-1 + -1cosx + 2cos2 = 1 + -1

Combine like terms: 1 + -1 = 0
-1 + -1cosx + 2cos2 = 0

The solution to this equation could not be determined.

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