Answer
sin30 x csc30 = 1
Work Step by Step
The sin of 30 = .5. The csc is $\frac{1}{sin}$ so the csc of 30 is $\frac{1}{\frac{1}{2}}$ = 2. .5 x 2 = 1.
Precalculus: Mathematics for Calculus, 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305071751
ISBN 13:
978-1-30507-175-9
Chapter 6 - Section 6.2 - Trigonometry of Right Triangles - 6.2 Exercises - Page 488: 30
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