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January 25, 2015

January 25, 2015

Posted by **tony** on Monday, June 17, 2013 at 9:47am.

2 sin 2θ - √(3) = 0

- trig -
**Steve**, Monday, June 17, 2013 at 10:12am2sin2θ = √3

sin2θ = √3/2

sin(x) is positive in QI,QII

2θ = 60°,120°,...

we need to go for two periods because we're dealing with 2θ. That gives us

θ = 30°,60°,210°,240°

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