r=sin(2x)cos(x)

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Solution for r=sin(2x)cos(x) equation: 


Simplifying
r = sin(2x) * cos(x)

Remove parenthesis around (2x)
r = ins * 2x * cos(x)

Reorder the terms for easier multiplication:
r = 2ins * x * cos * x

Multiply ins * x
r = 2insx * cos * x

Multiply insx * cos
r = 2cinos2x * x

Multiply cinos2x * x
r = 2cinos2x2

Solving
r = 2cinos2x2

Solving for variable 'r'.

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

Simplifying
r = 2cinos2x2

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