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OpenStudy (anonymous):
find the amplitude and period of f(x) = -sin(π/2x)
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Directrix (directrix):
Amp = abs(-1) = 1 Period = (2 pi) / (pi/2) = ? http://dwb4.unl.edu/chem/chem869m/chem869mmats/sinusoidalfns.html
OpenStudy (anonymous):
amp = 1 period = 2pi
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