-sin^2x=2cos-2

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


Simplifying
-1sin2x = 2cos + -2

Reorder the terms:
-1in2sx = -2 + 2cos

Solving
-1in2sx = -2 + 2cos

Solving for variable 'i'.

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

Divide each side by '-1n2sx'.
i = 2n-2s-1x-1 + -2cn-2ox-1

Simplifying
i = 2n-2s-1x-1 + -2cn-2ox-1

Reorder the terms:
i = -2cn-2ox-1 + 2n-2s-1x-1

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