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: 28



Work Step by Step

Step 1: Using the reciprocal identity $\cot\theta=\frac{1}{\tan\theta}$, $\cot 305.6=\frac{1}{\tan 305.6}$ Step 2: We first make sure that the calculator is in degree mode. Step 3: We then type $\frac{1}{\tan 305.6}$ into the calculator. Step 4: Solving, $\frac{1}{\tan 305.6}\approx-0.71592968$.
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