2sin^2x=1-cosx

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


Simplifying
2sin2x = 1 + -1cosx

Solving
2in2sx = 1 + -1cosx

Solving for variable 'i'.

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

Divide each side by '2n2sx'.
i = 0.5n-2s-1x-1 + -0.5cn-2o

Simplifying
i = 0.5n-2s-1x-1 + -0.5cn-2o

Reorder the terms:
i = -0.5cn-2o + 0.5n-2s-1x-1

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