f(x)=cos(7x+5)

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Solution for f(x)=cos(7x+5) equation: 


Simplifying
f(x) = cos(7x + 5)

Multiply f * x
fx = cos(7x + 5)

Reorder the terms:
fx = cos(5 + 7x)
fx = (5 * cos + 7x * cos)
fx = (5cos + 7cosx)

Solving
fx = 5cos + 7cosx

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 5cosx-1 + 7cos

Simplifying
f = 5cosx-1 + 7cos

Reorder the terms:
f = 7cos + 5cosx-1

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