Answer
$r = k~(csc~\theta)$
Work Step by Step
$y=k$
We know that $y = r~sin~\theta$
Therefore: $r~sin~\theta = k$
$r = \frac{k}{sin~\theta}$
$r = k~(csc~\theta)$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.