Answer
$1$
Work Step by Step
As $310=360-50$ and $csc\theta=\frac{1}{sin\theta}$, we have $sin310^\circ\ csc(-50^\circ)=sin(-50^\circ)\times\frac{1}{sin(-50^\circ)}=1$
Precalculus (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0-32197-907-9
ISBN 13:
978-0-32197-907-0
Chapter 6 - Trigonometric Functions - Chapter Review - Review Exercises - Page 434: 15
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