Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 70E
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6 (a) Find sin(u/2) if csc(u)=15.673 and u is in Quadrant-II (assume that 0<u<2pi). sin(u/2)=??
(b) Find cos(u/2) if cos(u)=0.215 and u is in Quadrant-I (assume that 0<u<2pi).
**Pls help me with an accurate answer in a clear worksheet** I am so tired of getting wrong answers**Much apprecitated I am ready for thumbs up also
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