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Re:A Simple Calculus Exercise by mjd on Monday April 17, 2023 @08:04AM (#35599516)
> All you need is to notice…

All you need is a magical inspiration from out of nowhere!

But if you don't happen to have that magical inspiration, the graph will make the periodicity visually obvious.

Re:A Simple Calculus Exercise by hgsgm on Wednesday April 19, 2023 @09:49PM (#35635431)
Deciding to draw a graph is also magical inspiration.