Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 6 - 6.3 - Trigonometric Function of Any Angle - 6.3 Exercises - Page 456: 119

Answer

The classmate had their calculator in degree mode instead of radian mode.

Work Step by Step

The classmate had their calculator in degree mode instead of radian mode.
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