Answer
1
Work Step by Step
Identities Needed:
secx = $\frac{1}{cosx}$
tanx = $\frac{sinx}{cosx}$
Work:
(sinx * (1/cosx)) / (sinx / cosx)
(sinx / cosx ) * (cosx / sinx)
= 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 7 - Section 7.1 - Trigonometric Identities - 7.1 Exercises - Page 543: 13
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