Trigonometry (10th Edition)

Published by Pearson
ISBN 10: 0321671775
ISBN 13: 978-0-32167-177-6

Chapter 3 - Radian Measure and the Unit Circle - Section 3.3 The Unit Circle and Circular Functions - 3.3 Exercises - Page 117: 25

Answer

cos $(-1.1519)\approx0.4068$.

Work Step by Step

Step 1: Convert the calculator to radian mode. Step 2: Type cos $(-1.1519)$ into the calculator and press enter. Step 3: Therefore, cos $(-1.1519)\approx0.4068$.
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