You can put this solution on YOUR website! Find the amplitude, period, and phase of the function.
Y=cos(pi/2 - x)
Form: y = a*cos(bx-c) + d
a = 1 ; b = -1 ; c = -pi/2 ; d = 0
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amplitude = |a| = 1
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period = (2pi)/b = -2(pi)
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phase = -c/a = pi/2
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cheers,
Stan H.