Answer
$sin~60°~cos~45°-cos~60°~sin~45°=sin~15°$
Work Step by Step
$sin(u-v)=sin~u~cos~v-cos~u~sin~v$
$sin~60°~cos~45°-cos~60°~sin~45°=sin(60°-45°)=sin~15°$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 7 - Review Exercises - Page 552: 51
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
