f(x)=cos(pi*x)

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Solution for f(x)=cos(pi*x) equation: 


Simplifying
f(x) = cos(pi * x)

Multiply f * x
fx = cos(pi * x)

Multiply ip * x
fx = cos(ipx)

Multiply cos * ipx
fx = ciopsx

Solving
fx = ciopsx

Solving for variable 'f'.

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

Divide each side by 'x'.
f = ciops

Simplifying
f = ciops

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