Trigonometry (11th Edition) Clone

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

Chapter 2 - Test - Page 97: 12c



Work Step by Step

Using the reciprocal identity $\sec\theta=\frac{1}{\cos\theta}$, $\sec 58.9041^{\circ}=\frac{1}{\cos 58.9041^{\circ}}$ Ensuring that the calculator is in degree mode, we type $\frac{1}{\cos 58.9041}$ into the calculator and solve: $\frac{1}{\cos 58.9041^{\circ}}\approx1.9362132$
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