sin(2x)=2cos^2(x)

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Solution for sin(2x)=2cos^2(x) equation: 


Simplifying
sin(2x) = 2cos2(x)

Remove parenthesis around (2x)
ins * 2x = 2cos2(x)

Reorder the terms for easier multiplication:
2ins * x = 2cos2(x)

Multiply ins * x
2insx = 2cos2(x)

Multiply cos2 * x
2insx = 2cos2x

Solving
2insx = 2cos2x

Solving for variable 'i'.

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

Divide each side by '2nsx'.
i = cn-1os

Simplifying
i = cn-1os

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