Algebra and Trigonometry 10th Edition

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

Chapter 6 - 6.2 - Right Triangle Trigonometry - 6.2 Exercises - Page 442: 43


The identity is verified. $tan~α~cos~α=sin~α$

Work Step by Step

Use: $tan~α=\frac{sin~α}{cos~α}$ $tan~α~cos~α=\frac{sin~α}{cos~α}cos~α=sin~α$
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