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OpenStudy (anonymous):
Which function's graph has a period of 2? A.y=3cosx B.2sinpix C.-4sin2x D.y=cos(x-pi/2)
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Directrix (directrix):
@Monster11223 Did you answer this question?
OpenStudy (anonymous):
Yes its b right? @Directrix
Directrix (directrix):
Yes, that's what I got. @Monster11223
OpenStudy (anonymous):
I need your help with another problem @directrix I mentioned you in it :-)
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