Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 5 - Trigonometric Functions - 5.3 Trigonometric Functions Values and Angle Measures - 5.3 Exercises: 30

Answer

$\sec40.1^\circ$

Work Step by Step

$\csc49.9^\circ=\sec(90^\circ-49.9^\circ)=\sec40.1^\circ$
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