SOLUTION: What is the length of the period for the following equation: y+1=3cos(pi/4)(x-2). Make sure to show work.

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Question 1138152: What is the length of the period for the following equation: y+1=3cos(pi/4)(x-2).
Make sure to show work.

Answer by greenestamps(13200)   (Show Source): You can put this solution on YOUR website!




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

The given equation, in that form, is



The period is determined by b; b = 2pi/period. Since b = pi/4, the period is

= 8

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