Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 4 - Section 4.2 - Trigonometric Functions: The Unit Circle - Exercise Set: 34

Answer

1

Work Step by Step

sec is the reciprocal of cos. sec t = $\frac{1}{cos t}$. so sec 2.3 = $\frac{1}{cos 2.3}$. cos 2.3 sec 2.3=cos 2.3$\frac{1}{cos 2.3}$ = 1.
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