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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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What is the amplitude, period, and phase shift of f(x)=-4 sin (2x+3.14)-5

User Rkabhishek
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4 votes
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.
User Gilad Artzi
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