Answer
$\frac{1}{9}$
Work Step by Step
Given-
$\csc B$ = 3
We know from reciprocal identity that-
$\sin B$ = $\frac{1}{\csc B}$ = $\frac{1}{3}$
Therefore
$\sin^{2} B$ = $(\frac{1}{3})^{2}$ = $\frac{1}{9}$
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.