Answer
We can see the graph of $~~r = 3~csc~\theta~~$ below:
The rectangular equation is $y = 3$
Work Step by Step
We can see the graph below:
$r = 3~csc~\theta$
$r = \frac{3}{sin~\theta}$
$r~sin~\theta = 3$
$y = 3$
The rectangular equation is: $y = 3$
