Trigonometry 7th Edition

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

Chapter 1 - Section 1.4 - Introduction to Identities - 1.4 Problem Set - Page 39: 11



Work Step by Step

Let's assume that reciprocal of $ x$ is '$R$'. By definition, product of a number and its reciprocal is always 1. Therefore- $ x \times R$ = 1 or $ R$ = $\frac{1}{x}$ i.e. reciprocal of $x$ is $\frac{1}{x}$
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