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Find the exact value by using a half-angle identity. 4) sin 22.5°

Find the exact value by using a half-angle identity. 4) sin 22.5°

Algebra and Trigonometry (MindTap Course List)
Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter5: Trigonometric Functions: Right Triangle Approach
Section5.CT: Chapter Test
Problem 2CT: Find the degree measures that correspond to the radian measures 4/3 and 1.3
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O Find the exact value by using a half-angle identity. 4) sin 22.5°
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