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OpenStudy (anonymous):
Show how to solve: 2 sin^2 x + sin x = 1. Answers are pi/6, 5pi/6, and 3pi/2.
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OpenStudy (anonymous):
put it into quadratic form: (2sin -1)(sin+1)=0 Then solve each component for x
OpenStudy (anonymous):
sinx = t 2t^2 +t -1 =0
OpenStudy (anonymous):
t = 1/2, t = -1 sinx = 1/2 sinx =-1
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