Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 13, Trigonometric Ratios and Functions - Chapter Review - Page 898: 3

Answer

unit circle

Work Step by Step

A unit circle is a circle with its center at the origin and a radius of $1$.
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