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: 33



Work Step by Step

Step 1: $\cos\theta=0.97540415$ Step 2: $\theta=\cos^{-1} 0.97540415$ Step 3: Using degree mode, we type $\cos^{-1} 0.97540415$ into the calculator and solve: $\theta=\cos^{-1} 0.97540415=12.733938^{\circ}$
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