f(x)=2sinx-4cosx

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Solution for f(x)=2sinx-4cosx equation: 


Simplifying
f(x) = 2sinx + -4cosx

Multiply f * x
fx = 2sinx + -4cosx

Reorder the terms:
fx = -4cosx + 2insx

Solving
fx = -4cosx + 2insx

Solving for variable 'f'.

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

Divide each side by 'x'.
f = -4cos + 2ins

Simplifying
f = -4cos + 2ins

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