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## Main Question or Discussion Point

I need to find if Sin(x^2) is a periodic function. As I think its not periodic but I need to proof that.

I know that its possible to use f(x) = f(x+T), while T is the period frequency.

But how to find out T ? and how to contradict this equation to say that the function is not periodic.

Thanks, gafar.

I know that its possible to use f(x) = f(x+T), while T is the period frequency.

But how to find out T ? and how to contradict this equation to say that the function is not periodic.

Thanks, gafar.