Algebra and Trigonometry 10th Edition

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

Chapter 7 - 7.4 - Sum and Difference Formulas - 7.4 Exercises - Page 538: 29



Work Step by Step

$sin(u+v)=sin~u~cos~v+cos~u~sin~v$ $sin~60°~cos~15°+cos~60°~sin~15°=sin(60°+15°)=sin~75°$
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