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OpenStudy (anonymous):
Find all solutions in the interval [0, 2pi). 2 sin^2(x) -1 =0
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OpenStudy (imstuck):
You solve this much like you would a "regular" equation; it will need to be factored and set to 0. Like this:
OpenStudy (imstuck):
|dw:1407813620738:dw|
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