Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 13, Trigonometric Ratios and Functions - 13.2 Define General Angles and Use Radian Measure - 13.2 Exercises - Skill Practice - Page 863: 39



Work Step by Step

We know that we convert degrees into radians as follows: 1. Set the calculator in radian mode. 2. We need to click COS. 3. Then click the argument $\dfrac{\pi}{3}$. 4. Now click the ENTER Button. Thus, we get the answer $0.5$.
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