1. If sin B = with B in QII, find CoS Write your solution on a separate sheet of paper.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 50E
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If sin B= 1/5 with B in QII, find cos(B/2)
If sin B = with B in QII, find COS
21
Write your solution on a separate sheet of paper.
Transcribed Image Text:If sin B = with B in QII, find COS 21 Write your solution on a separate sheet of paper.
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