jockle3xismado jockle3xismado
  • 21-11-2016
  • Mathematics
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The period of f(x)=cos (2pi/3)x is ...?

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pkmnmushy
pkmnmushy pkmnmushy
  • 24-11-2016
Well lets see. if you're  being specific about the rigor,  then the period means that cos(2Π÷3(x+α))=cos(2Π÷3(x))Therefore this gives 2π÷3α=2πso α = 3.
Hope this can help you
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