y=cos(2.5x)

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Solution for y=cos(2.5x) equation: 


Simplifying
y = cos(2.5x)

Remove parenthesis around (2.5x)
y = cos * 2.5x

Reorder the terms for easier multiplication:
y = 2.5cos * x

Multiply cos * x
y = 2.5cosx

Solving
y = 2.5cosx

Solving for variable 'y'.

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

Simplifying
y = 2.5cosx

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