Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

Published by Pearson
ISBN 10: 0-32193-104-1
ISBN 13: 978-0-32193-104-7

Chapter 5 - Trigonometric Functions - Chapter Review - Review Exercises - Page 459: 42



Work Step by Step

We are asked to use a calculator to compute the result in degree mode and then round-off the result to two decimal places. $\sec(10^{\circ})=\dfrac{1}{\cos(10^{\circ})}=1.015426612≈1.02$
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