cos^2x-2cosx=3

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Solution for cos^2x-2cosx=3 equation: 


Simplifying
cos2x + -2cosx = 3

Reorder the terms:
-2cosx + cos2x = 3

Solving
-2cosx + cos2x = 3

Solving for variable 'c'.

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

Reorder the terms:
-3 + -2cosx + cos2x = 3 + -3

Combine like terms: 3 + -3 = 0
-3 + -2cosx + cos2x = 0

The solution to this equation could not be determined.

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