Answer
60 degrees
Work Step by Step
The $arccos(1/2)$ is the angle whose cosine is 1/2. Thus, we see that the expression evaluates to:
$$60\ degrees$$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 6 - 6.6 - Inverse Trigonometric Functions - 6.6 Exercises - Page 484: 7
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