cos(4.09x)=-.5

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Solution for cos(4.09x)=-.5 equation: 


Simplifying
cos(4.09x) = -0.5

Remove parenthesis around (4.09x)
cos * 4.09x = -0.5

Reorder the terms for easier multiplication:
4.09cos * x = -0.5

Multiply cos * x
4.09cosx = -0.5

Solving
4.09cosx = -0.5

Solving for variable 'c'.

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

Divide each side by '4.09osx'.
c = -0.1222493888o-1s-1x-1

Simplifying
c = -0.1222493888o-1s-1x-1

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