You can prove if f(x) is an odd function and f(x+ t) is an even function then f(x) is periodic with period at most 4t. Are there other theorems like that?i know this is a somewhat open ended and general question, it's just i would like to squeeze some more results from this angle and can not.(adsbygoogle = window.adsbygoogle || []).push({});

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# Odd/even functions and periodicity

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