cos^2(0.5X)=1

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Solution for cos^2(0.5X)=1 equation: 


Simplifying
cos2(0.5X) = 1

Remove parenthesis around (0.5X)
cos2 * 0.5X = 1

Reorder the terms for easier multiplication:
0.5cos2 * X = 1

Multiply cos2 * X
0.5cos2X = 1

Solving
0.5cos2X = 1

Solving for variable 'c'.

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

Divide each side by '0.5os2X'.
c = 2o-1s-2X-1

Simplifying
c = 2o-1s-2X-1

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