Y=cos(4x)

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Solution for Y=cos(4x) equation: 


Simplifying
Y = cos(4x)

Remove parenthesis around (4x)
Y = cos * 4x

Reorder the terms for easier multiplication:
Y = 4cos * x

Multiply cos * x
Y = 4cosx

Solving
Y = 4cosx

Solving for variable 'Y'.

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

Simplifying
Y = 4cosx

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