cos(3*x)=-1

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Solution for cos(3*x)=-1 equation: 


Simplifying
cos(3x) = -1

Remove parenthesis around (3x)
cos * 3x = -1

Reorder the terms for easier multiplication:
3cos * x = -1

Multiply cos * x
3cosx = -1

Solving
3cosx = -1

Solving for variable 'c'.

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

Divide each side by '3osx'.
c = -0.3333333333o-1s-1x-1

Simplifying
c = -0.3333333333o-1s-1x-1

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