y=3cos(0.5x)

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Solution for y=3cos(0.5x) equation: 


Simplifying
y = 3cos(0.5x)

Remove parenthesis around (0.5x)
y = 3cos * 0.5x

Reorder the terms for easier multiplication:
y = 3 * 0.5cos * x

Multiply 3 * 0.5
y = 1.5cos * x

Multiply cos * x
y = 1.5cosx

Solving
y = 1.5cosx

Solving for variable 'y'.

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

Simplifying
y = 1.5cosx

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