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Please help with this question. Thank you!

 Apr 18, 2019
 #1
avatar+106533 
+2

We have the form

 

y = A cos [ Bt] 

 

Period  =  [ 2 pi ] / B

Period  = [ 2pi] / [ pi/2]  = [ 2pi] * [ 2/pi]  = 4

 

Frequency  =  1/ Period  =  1 / 4

 

 

cool cool cool

 Apr 18, 2019

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