cos(-9x)=0

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Solution for cos(-9x)=0 equation: 


Simplifying
cos(-9x) = 0

Remove parenthesis around (-9x)
cos * -9x = 0

Reorder the terms for easier multiplication:
-9cos * x = 0

Multiply cos * x
-9cosx = 0

Solving
-9cosx = 0

Solving for variable 'c'.

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

Divide each side by '-9'.
cosx = 0

Simplifying
cosx = 0

The solution to this equation could not be determined.

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