cos(90)=x

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Solution for cos(90)=x equation: 


Simplifying
cos(90) = x

Reorder the terms for easier multiplication:
90cos = x

Solving
90cos = x

Solving for variable 'c'.

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

Divide each side by '90os'.
c = 0.01111111111o-1s-1x

Simplifying
c = 0.01111111111o-1s-1x

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