Finding the period

  • Thread starter Ry122
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  • #1
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How do I find the period of this function?
g(t) = cos (4t) + sin (t)
 

Answers and Replies

  • #2
djeitnstine
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Graph it and check? Or would you rather do it by analysis.
 
  • #3
565
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i need to do it without graphing
 
  • #4
HallsofIvy
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sin t is periodic with fundamental period [itex]2\pi[/itex] and cos 4t is periodic with fundamental period [itex]\pi/2[/itex]. Since [itex]2\pi= 4(\pi/2)[/itex], [itex]2\pi[/itex] is also a period of cos 4t.
 

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