Answer
Does not exist
Work Step by Step
-2 is not within the domain of the inverse cosine function, so this value does not exist. (After all, there is no value for which the cosine function is equal to -2.)
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 6 - 6.6 - Inverse Trigonometric Functions - 6.6 Exercises - Page 484: 14
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