Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 5 - Section 5.5 - Inverse Trigonometric Functions and Their Graphs - 5.5 Exercises: 20

Answer

Not defined

Work Step by Step

The cosine function's range is between 1 and -1 inclusive. Therefore no value in the domain of the inverse exist over 1 or under -1. Thus the value isn't defined.
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