f(x)=2cos(3x^3)

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Solution for f(x)=2cos(3x^3) equation: 


Simplifying
f(x) = 2cos(3x3)

Multiply f * x
fx = 2cos(3x3)

Remove parenthesis around (3x3)
fx = 2cos * 3x3

Reorder the terms for easier multiplication:
fx = 2 * 3cos * x3

Multiply 2 * 3
fx = 6cos * x3

Multiply cos * x3
fx = 6cosx3

Solving
fx = 6cosx3

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 6cosx2

Simplifying
f = 6cosx2

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