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: 6



Work Step by Step

Let's assume that reciprocal of 4 is '$ x$'. By definition, product of a number and its reciprocal is always 1. Therefore- $ 4 \times x$ = 1 or $ x$ = $\frac{1}{4}$ i.e. reciprocal of 4 is $\frac{1}{4}$
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