Trigonometry (11th Edition) Clone

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

Chapter 3 - Review Exercises - Page 136: 52



Work Step by Step

Step 1: We ensure that the calculator is in radian mode. Step 2: $\tan s=4.0112$ can be written as $s=\tan^{-1} 4.0112$ Step 3: Using the inverse cosine function in the calculator, we type $\tan^{-1} 4.0112$ into the calculator and solve. Step 4: $s=\tan^{-1} 4.0112\approx1.3265$
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