SOLUTION: AMPLITUDE, PERIOD, PHASE SHIFT AND VERTICAL SHIFT (TRIGONOMETRY) B. Determine the amplitude, period, phase shift, and vertical shift for each equation. 1. y = 1/4 sin2x 2. y =

Question 1189943: AMPLITUDE, PERIOD, PHASE SHIFT AND VERTICAL SHIFT (TRIGONOMETRY)
B. Determine the amplitude, period, phase shift, and vertical shift for each equation.
1. y = 1/4 sin2x
2. y = cos2x - 5
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Answer by greenestamps(13203) (Show Source): You can put this solution on YOUR website!

Put each equation in standard form:

y=(a)(sin(b(x-c)))+d

amplitude: a
period: (2pi)/b
phase shift (horizontal shift): c
vertical shift: d

1. y=(1/4)sin(2x)  -->  y=(1/4)(sin(2(x-0)))+0  a=1/4; b=2; c=0; d=0

or y=(a)(cos(b(x-c)))+d

2. y=cos(2x)-5  -->  y=(1)(cos(2(x-0)))+(-5) a=1; b=2; c=0; d=-5

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