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Professor Butler, good afternoon. If you can clarify on problem 4 at 21:30. Why arctan is even if it looks like odd?
The arctan function is odd, that we are using is that the derivative of the arctangent function (1/(1+t^2)) is even when we utilise symmetry.
@BeardMeetsCalculus Oh, thank you, Professor!
Professor Butler, good afternoon. If you can clarify on problem 4 at 21:30. Why arctan is even if it looks like odd?
The arctan function is odd, that we are using is that the derivative of the arctangent function (1/(1+t^2)) is even when we utilise symmetry.
@BeardMeetsCalculus Oh, thank you, Professor!