Trigonometry (10th Edition)

Published by Pearson
ISBN 10: 0321671775
ISBN 13: 978-0-32167-177-6

Chapter 6 - Inverse Circular Functions and Trigonometric Equations - Section 6.1 Inverse Circular Functions - 6.1 Exercises: 3

Answer

$\cos y$

Work Step by Step

Using the trigonometric rules; $y=\cos^{-1} x$ $\cos y=x$ $x=\cos y$ Therefore, the missing term in the statement is $\cos y$.
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