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: 66

Answer

$\approx 1.8508$

Work Step by Step

RECALL: $\sec{x} = \dfrac{1}{\cos{x}}$ Use the rule above to obtain: $\sec{1} = \dfrac{1}{\cos{1}}$ Use a calculator in RAD mode then round-off the answer to four decimal places to obtain: $\sec{1} \approx 1.8508$
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