Algebra and Trigonometry 10th Edition

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

Chapter 6 - Review Exercises - Page 500: 33


(a) $cos~38.9°=0.7782$ (b) $sec~79.3°=5.3860$

Work Step by Step

Select the degree (DEG) mode. (a) $cos~38.9°=0.7782$ (b) $sec~79.3°=\frac{1}{cos~79.3°}=5.3860$
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