y=2cos(4x+20)-2

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Solution for y=2cos(4x+20)-2 equation: 


Simplifying
y = 2cos(4x + 20) + -2

Reorder the terms:
y = 2cos(20 + 4x) + -2
y = (20 * 2cos + 4x * 2cos) + -2
y = (40cos + 8cosx) + -2

Reorder the terms:
y = -2 + 40cos + 8cosx

Solving
y = -2 + 40cos + 8cosx

Solving for variable 'y'.

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

Simplifying
y = -2 + 40cos + 8cosx

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