Answer
$\sin(u+v)=\frac{-13}{85}$
Work Step by Step
$\sin(u+v)=\sin u \cos v + \cos u \sin v$
$(\frac{-3}{5})(\frac{15}{17})+(\frac{4}{5})(\frac{8}{17})=\frac{-13}{85}$
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.