## Algebra and Trigonometry 10th Edition

Published by Cengage Learning

# Chapter 6 - 6.3 - Trigonometric Functions of Any Angle - 6.3 Exercises - Page 454: 84

.219

#### Work Step by Step

Before doing this problem, we check that out calculator is in the correct units. Thus, if the angle is listed in degrees, we put the calculator in degrees, and if the angle is listed in radians (with no degree mark), we put the calculator in radians. Doing this, we plug the value into the calculator to find that the answer is: $$.219$$

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