=cos(9x)

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Solution for =cos(9x) equation:


Simplifying
0 = cos(9x)

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

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

Multiply cos * x
0 = 9cosx

Solving
0 = 9cosx

Solving for variable 'c'.

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

Add '-9cosx' to each side of the equation.
0 + -9cosx = 9cosx + -9cosx
Remove the zero:
-9cosx = 9cosx + -9cosx

Combine like terms: 9cosx + -9cosx = 0
-9cosx = 0

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

Simplifying
cosx = 0

The solution to this equation could not be determined.

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