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OpenStudy (anonymous):
4sinθcosθ= √3
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OpenStudy (anonymous):
Is there a question?
OpenStudy (anonymous):
Basically just solve it over the interval 0<θ<2pi
OpenStudy (superdavesuper):
You can use this equation sin2A=2sinAcosA to solve the prob.
OpenStudy (anonymous):
yeah i figured. I got stuck on one of the steps
OpenStudy (anonymous):
i got as far as sin(2θ)=√3/2
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OpenStudy (superdavesuper):
√3/2 is a special case: see the unit circle pic here: http://upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Unit_circle_angles_color.svg/720px-Unit_circle_angles_color.svg.png
OpenStudy (anonymous):
thanks
OpenStudy (superdavesuper):
Welcome
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