Trigonometry 7th Edition

Published by Cengage Learning
ISBN 10: 1111826854
ISBN 13: 978-1-11182-685-7

Chapter 3 - Section 3.3 - Definition III: Circular Functions - 3.3 Problem Set - Page 143: 2


radian; the arc

Work Step by Step

RECALL: In a unit circle, the length of the arc from $(1, 0)$ to the point $P(x, y)$ is equal to the radian measure of the central angle. Thus, the missing expressions in the given statement are: radian; the arc
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