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Question: determined time period of Cos function

Question: determined time period of Cos function

torabi 85 Maple 2018
trigonometric periodic
November 09 2018
0

how I can determined time period?

thank you

period.mw
 

> 

d := (10+20*cos(Omega*t)+30*cos(9*sqrt(2)*t))^2

(10+20*cos(Omega*t)+30*cos(9*2^(1/2)*t))^2

 (1)
> 

with(StringTools)
> 

period(d)

period((10+20*cos(Omega*t)+30*cos(9*2^(1/2)*t))^2)

 (2)
> 

``


 

Download period.mw

 
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