2cos^2x-2sin^2x=-1

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Solution for 2cos^2x-2sin^2x=-1 equation:


Simplifying
2cos2x + -2sin2x = -1

Solving
2cos2x + -2in2sx = -1

Solving for variable 'c'.

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

Add '2in2sx' to each side of the equation.
2cos2x + -2in2sx + 2in2sx = -1 + 2in2sx

Combine like terms: -2in2sx + 2in2sx = 0
2cos2x + 0 = -1 + 2in2sx
2cos2x = -1 + 2in2sx

Divide each side by '2os2x'.
c = -0.5o-1s-2x-1 + in2o-1s-1

Simplifying
c = -0.5o-1s-2x-1 + in2o-1s-1

Reorder the terms:
c = in2o-1s-1 + -0.5o-1s-2x-1

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