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Question Details Asked By Asked On
Solving trig equations sofachee 10/25/05
    sec(3theta/2)=-2

Summary of Answers Received Answered On Answered By Average Rating
1. cos(3theta/2) = -1/2 3theta/2 = 120 degrees so theta = 80 de...
 10/25/05 raridonNo rating received!
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