# Chapter 2 - Acute Angles and Right Triangles - Section 2.2 Trigonometric Functions of Non-Acute Angles - 2.2 Exercises: 15

$\tan$ 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

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