y=(2cos^2x-1)+sin^2x

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


Simplifying
y = (2cos2x + -1) + sin2x

Reorder the terms:
y = (-1 + 2cos2x) + sin2x

Remove parenthesis around (-1 + 2cos2x)
y = -1 + 2cos2x + sin2x

Solving
y = -1 + 2cos2x + in2sx

Solving for variable 'y'.

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

Simplifying
y = -1 + 2cos2x + in2sx

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