Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 5 - Trigonometric Functions - Chapter 5 Test Prep - Review Exercises - Page 561: 57

Answer

No, see explanations.

Work Step by Step

The result would be incorrect because $tan^{-1}25=atan25\approx87.7^\circ$ while $\frac{1}{tan25}\approx2.14$
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