f(x)=cos(2x+2)

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Solution for f(x)=cos(2x+2) equation: 


Simplifying
f(x) = cos(2x + 2)

Multiply f * x
fx = cos(2x + 2)

Reorder the terms:
fx = cos(2 + 2x)
fx = (2 * cos + 2x * cos)
fx = (2cos + 2cosx)

Solving
fx = 2cos + 2cosx

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 2cosx-1 + 2cos

Simplifying
f = 2cosx-1 + 2cos

Reorder the terms:
f = 2cos + 2cosx-1

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