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OpenStudy (anonymous):
What is the cosine function for this graph: http://schools.connectionsacademy.com/content/media/102877-5272010-92002-PM-1855950374/res00000/ppg/examview/images/mc012-1.jpg
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OpenStudy (amistre64):
cant really see the phase shift that well
OpenStudy (amistre64):
and it aint flipped so much as dropped
OpenStudy (amistre64):
2 cos(phase shift) -2
OpenStudy (amistre64):
2 cos(x - phase shift) -2 the phase shift seems to be between 2pi/3 and pi
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