y=-4cos(3x+6x)-1

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Solution for y=-4cos(3x+6x)-1 equation: 


Simplifying
y = -4cos(3x + 6x) + -1

Combine like terms: 3x + 6x = 9x
y = -4cos(9x) + -1

Remove parenthesis around (9x)
y = -4cos * 9x + -1

Reorder the terms for easier multiplication:
y = -4 * 9cos * x + -1

Multiply -4 * 9
y = -36cos * x + -1

Multiply cos * x
y = -36cosx + -1

Reorder the terms:
y = -1 + -36cosx

Solving
y = -1 + -36cosx

Solving for variable 'y'.

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

Simplifying
y = -1 + -36cosx

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