f(x)=4-3*cos*2x

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Solution for f(x)=4-3*cos*2x equation: 


Simplifying
f(x) = 4 + -3cos * 2x

Multiply f * x
fx = 4 + -3cos * 2x

Reorder the terms for easier multiplication:
fx = 4 + -3 * 2cos * x

Multiply -3 * 2
fx = 4 + -6cos * x

Multiply cos * x
fx = 4 + -6cosx

Solving
fx = 4 + -6cosx

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 4x-1 + -6cos

Simplifying
f = 4x-1 + -6cos

Reorder the terms:
f = -6cos + 4x-1

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