f(x)=4sin(3x)

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Solution for f(x)=4sin(3x) equation: 


Simplifying
f(x) = 4sin(3x)

Multiply f * x
fx = 4sin(3x)

Remove parenthesis around (3x)
fx = 4ins * 3x

Reorder the terms for easier multiplication:
fx = 4 * 3ins * x

Multiply 4 * 3
fx = 12ins * x

Multiply ins * x
fx = 12insx

Solving
fx = 12insx

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 12ins

Simplifying
f = 12ins

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