Pilot123 Pilot123
  • 16-05-2017
  • Mathematics
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What is the amplitude, period, and phase shift of f(x)=-4 sin (2x+3.14)-5

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tonb
tonb tonb
  • 19-05-2017
remember this: for a trig function of y = A sin(Bx + C) + D

amplitude is A
period is 2π/B
phase shift is −C/B
vertical shift is D

So the amplitude is -4, the period is π and the phase shift is -3.14/2 = 1.57.
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