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

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


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

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

Remove parenthesis around (2x)
fx = 2cos * 2x + 2

Reorder the terms for easier multiplication:
fx = 2 * 2cos * x + 2

Multiply 2 * 2
fx = 4cos * x + 2

Multiply cos * x
fx = 4cosx + 2

Reorder the terms:
fx = 2 + 4cosx

Solving
fx = 2 + 4cosx

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 2x-1 + 4cos

Simplifying
f = 2x-1 + 4cos

Reorder the terms:
f = 4cos + 2x-1

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