## Calculus: Early Transcendentals 8th Edition

Published by Cengage Learning

# APPENDIX D - Trigonometry - D Exercises - Page A 33: 68

#### Answer

$\frac{\pi}{4},\frac{3\pi}{4},\frac{5 \pi}{4}\frac{7 \pi}{4}$

#### Work Step by Step

Need to find the range for $x$ for the equation $|tanx|=1$ $tanx=±1$ This is true for x= $\frac{\pi}{4},\frac{3\pi}{4},\frac{5 \pi}{4}\frac{7 \pi}{4}$

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