Answer
$\tan$ 45$^{\circ}$ = -1
$\cot$ 45$^{\circ}$ = -1
Work Step by Step
$\tan$ 45$^{\circ}$ = $\frac{1}{-1}$ = -1
$\cot$ 45$^{\circ}$ = $\frac{-1}{1}$ = -1
Trigonometry (10th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
0321671775
ISBN 13:
978-0-32167-177-6
Chapter 2 - Acute Angles and Right Triangles - Section 2.2 Trigonometric Functions of Non-Acute Angles - 2.2 Exercises - Page 59: 15
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