If we have f(k)=Asin([itex]\frac{xa}{2}[/itex]). Then it was mentioned that f(x) is a periodic function with period [itex]\frac{Δx.a}{2}[/itex]=π. How come?(adsbygoogle = window.adsbygoogle || []).push({});

Thanks!

Please note, A and a are constants.

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# Relating to period of a function.

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