2cos^2x-2cos(2x)=1

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Solution for 2cos^2x-2cos(2x)=1 equation:


Simplifying
2cos2x + -2cos(2x) = 1

Remove parenthesis around (2x)
2cos2x + -2cos * 2x = 1

Reorder the terms for easier multiplication:
2cos2x + -2 * 2cos * x = 1

Multiply -2 * 2
2cos2x + -4cos * x = 1

Multiply cos * x
2cos2x + -4cosx = 1

Reorder the terms:
-4cosx + 2cos2x = 1

Solving
-4cosx + 2cos2x = 1

Solving for variable 'c'.

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

Reorder the terms:
-1 + -4cosx + 2cos2x = 1 + -1

Combine like terms: 1 + -1 = 0
-1 + -4cosx + 2cos2x = 0

The solution to this equation could not be determined.

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