## Functions Modeling Change: A Preparation for Calculus, 5th Edition

Published by Wiley

# Chapter 8 - Triangle Trigonometry and Polar Coordinates - 8.1 Trig Functions and Right Triangles - Exercises and Problems for Section 8.1 - Exercises and Problems - Page 332: 3

.385

#### Work Step by Step

Using triogonmetry, we find: $$sin\theta = \frac{o}{h} =\frac{24}{26}=.923$$ And: $$cos \theta = \frac{a}{h} =\frac{10}{26}=.385$$

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