## Thinking Mathematically (6th Edition)

Published by Pearson

# Chapter 10 - Geometry - 10.6 Right Triangle Trigonometry - Concept and Vocabulary Check: 3

#### Answer

tangent; opposite of; adjacent to; $\frac{a}{b}$

#### Work Step by Step

$tan A$, which represents the tangent of angle A is defined by the length of the side opposite of angle A divided by the length of the side adjacent to angle A. This is represented by $\frac{a}{b}$ in the figure shown.

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