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anonymous
 one year ago
choose the graph of y = 4/3 cos 3/2x
anonymous
 one year ago
choose the graph of y = 4/3 cos 3/2x

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DanJS
 one year ago
Best ResponseYou've already chosen the best response.0First, what are the maximum and minimum values for cos(x)

DanJS
 one year ago
Best ResponseYou've already chosen the best response.0\[1 \le \cos(x) \le 1\]

DanJS
 one year ago
Best ResponseYou've already chosen the best response.0the amplitude in this case, is A*cos(x) , 4/3

DanJS
 one year ago
Best ResponseYou've already chosen the best response.0The graph isnt shifted vertically, so the max and min are 4/3, 4/3 now just have to figure out the period.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0cosine has a period of 2pi/b

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so would it be 2pi/ (3/2) ?

DanJS
 one year ago
Best ResponseYou've already chosen the best response.0so 4/3 pi for the period...

DanJS
 one year ago
Best ResponseYou've already chosen the best response.0Graph: y = A*cos( B*x + C) + D make sliders for A, B, C, D, and play arouind with changing those values, and watch the graph
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