Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 4 - Section 4.2 - Trigonometric Functions: The Unit Circle - Exercise Set - Page 548: 44



Work Step by Step

cot($\frac{\pi}{4}$ + $\pi$) = cot$\frac{\pi}{4}$ cot t=$\frac{1}{tan t}$ cot$\frac{\pi}{4}$ = $\frac{1}{tan \frac{\pi}{4}}$ cot$\frac{\pi}{4}$ =$\frac{1}{1}$ = 1
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