Trigonometry (11th Edition) Clone

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

Chapter 2 - Review Exercises - Page 94: 30

Answer

1.9362132

Work Step by Step

Step 1: Using the reciprocal identity $\sec\theta=\frac{1}{\cos\theta}$, $\sec 58.9041=\frac{1}{\cos 58.9041}$ Step 2: We first make sure that the calculator is in degree mode. Step 3: We then type $\frac{1}{\cos 58.9041}$ into the calculator. Step 4: Solving, $\frac{1}{\cos 58.9041}\approx1.9362132$.
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