Trigonometry 7th Edition

Published by Cengage Learning
ISBN 10: 1111826854
ISBN 13: 978-1-11182-685-7

Chapter 2 - Section 2.2 - Calculators and Trigonometric Functions of an Acute Angle - 2.2 Problem Set - Page 73: 99


Option (d). 1.1753

Work Step by Step

Steps to approximate sec 31.7°, using a calculator- 31.7° → cos →$\frac{1}{x}$ which gives us- $\sec 31.7^{\circ}$ = 1.1753490157
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