Trigonometry (10th Edition)

Published by Pearson
ISBN 10: 0321671775
ISBN 13: 978-0-32167-177-6

Chapter 3 - Radian Measure and the Unit Circle - Section 3.3 The Unit Circle and Circular Functions - 3.3 Exercises: 44

Answer

There are two possible answers: Approximately $1.25$ or $5$

Work Step by Step

Draw the vertical line $x=0.3$ on the given figure. This vertical line will intersect the unit circle at two points whose approximate coordinates are: $(0.3, 1,25)$ and $(0.3, 5)$
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