Trigonometry (11th Edition) Clone

Published by Pearson
ISBN 10: 978-0-13-421743-7
ISBN 13: 978-0-13421-743-7

Chapter 6 - Review Exercises - Page 291: 20



Work Step by Step

Ensuring that the calculator is in degree mode, we enter $\cot^{-1} (4.5046388)$ as $\tan^{-1} (\frac{1}{4.5046388})$ into the calculator and solve: $\tan^{-1} (\frac{1}{4.5046388})\approx12.51^{\circ}$
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