f(3.14)=cos(2(3.14))

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Solution for f(3.14)=cos(2(3.14)) equation: 


Simplifying
f(3.14) = cos(2(3.14))

Reorder the terms for easier multiplication:
3.14f = cos(2(3.14))

Multiply 2 * 3.14
3.14f = cos(6.28)

Reorder the terms for easier multiplication:
3.14f = 6.28cos

Solving
3.14f = 6.28cos

Solving for variable 'f'.

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

Divide each side by '3.14'.
f = 2cos

Simplifying
f = 2cos

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