Prove that arctan(x) is bounded (ILIEKMATHPHYSICS) (includes a definition of pi)

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Prove that lim{x→∞} arctan(x) = π/2 and lim{x→-∞} arctan(x) = -π/2 (ILIEKMATHPHYSICS)

1:01:00
TAYLOR SERIES!!! TAYLOR SERIES!!! TAYLOR SERIES!!!

25:17
SCHOOLBOY RUNAWAY hat ein NEUES UPDATE!!😱 (Frühlings Update)

16:28
A very interesting differential equation.

14:45
Where does “e” come from?

20:25
If x ﹥ 0, then x/sqrt(1+x^2) ﹤ arctan(x) ﹤ x Proof (and other properties) (ILIEKMATHPHYSICS)

16:04
The Laplace Transform: a PASSAGEWAY from CALCULUS to ALGEBRA | Fourier Transform Ep. 3

24:46