Algebra and Trigonometry 10th Edition

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

Chapter 7 - 7.1 - Using Fundamental Identities - 7.1 Exercises - Page 513: 3



Work Step by Step

$tan~u=\frac{sin~u}{cos~u}$ $\frac{1}{tan~u}=\frac{1}{\frac{sin~u}{cos~u}}=\frac{cos~u}{sin~u}=cot~u$
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