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 71: 41


$\sec 48.2^{\circ}$ = 1.5003

Work Step by Step

Using calculator in degree mode- $\sec 48.2^{\circ}$ = 1.5003020027 (Finding $\cos$ first and then using reciprocal $\frac{1}{x}$) Rounding it to four places past the decimal point- $\sec 48.2^{\circ}$ = 1.5003
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