f(x)=2sinx-5cosx

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Solution for f(x)=2sinx-5cosx equation: 


Simplifying
f(x) = 2sinx + -5cosx

Multiply f * x
fx = 2sinx + -5cosx

Reorder the terms:
fx = -5cosx + 2insx

Solving
fx = -5cosx + 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 = -5cos + 2ins

Simplifying
f = -5cos + 2ins

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