cos^2(x)=0.3

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Solution for cos^2(x)=0.3 equation: 


Simplifying
cos2(x) = 0.3

Multiply cos2 * x
cos2x = 0.3

Solving
cos2x = 0.3

Solving for variable 'c'.

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

Divide each side by 'os2x'.
c = 0.3o-1s-2x-1

Simplifying
c = 0.3o-1s-2x-1

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