Y=3-4cos(2x)

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Solution for Y=3-4cos(2x) equation: 


Simplifying
Y = 3 + -4cos(2x)

Remove parenthesis around (2x)
Y = 3 + -4cos * 2x

Reorder the terms for easier multiplication:
Y = 3 + -4 * 2cos * x

Multiply -4 * 2
Y = 3 + -8cos * x

Multiply cos * x
Y = 3 + -8cosx

Solving
Y = 3 + -8cosx

Solving for variable 'Y'.

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

Simplifying
Y = 3 + -8cosx

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