Algebra and Trigonometry 10th Edition

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

Chapter 7 - Review Exercises - Page 552: 1



Work Step by Step

Note: tan(x) = $\frac{sin(x)}{cos(x)}$ Note: cot(x) = $\frac{1}{tan(x)}$ Using the above notes: $\frac{cos(x)}{sin(x)}$ = $\frac{1}{\frac{sin(x)}{cos(x)}}$ = $\frac{1}{tan(x)}$ = cot(x) Therefore: $\frac{cos(x)}{sin(x)}$ = cot(x)
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