Answer
1
Work Step by Step
tan($\frac{\pi}{4}$ + $\pi$) = tan$\frac{\pi}{4}$
tant =$\frac{sin t}{cos t}$
tan$\frac{\pi}{4}$ =$\frac{\frac{\sqrt 2}{2}}{\frac{\sqrt 2}{2}}$ = 1
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
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: 43
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