CPM Homework Help : PC3 Problem 13-11

Rewrite each of the following equations in rectangular form.

$3r\cos\left(θ\right)=2\left(r\sin\left(θ\right)+1\right)$
Step (a):
$3x = 2\left(y + 1\right)$

$r=6\cos\left(θ\right)-8\sin\left(θ\right)$
Hint (b):
Multiply the equation by $r$ .