Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Chapter 6 - Trigonometric Functions - 6.2 Trigonometric Functions: Unit Circle Approach - 6.2 Assess Your Understanding: 90

Answer

$0.3$

Work Step by Step

We know that $cos(\theta+\pi)=-cos(\theta)=-0.3.$
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