y=40cos^2(5x)

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Solution for y=40cos^2(5x) equation: 


Simplifying
y = 40cos2(5x)

Remove parenthesis around (5x)
y = 40cos2 * 5x

Reorder the terms for easier multiplication:
y = 40 * 5cos2 * x

Multiply 40 * 5
y = 200cos2 * x

Multiply cos2 * x
y = 200cos2x

Solving
y = 200cos2x

Solving for variable 'y'.

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

Simplifying
y = 200cos2x

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