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Solved] why is arctan of infinity gives pi/2? you are welcome to use the... | Course Hero
Why arctan(n) goes to pi/2 as n goes infinite?
Prove each identity. arctan x + arctan 1/x = π/2, x > 0 | Quizlet
calculus - Why $\arctan x \to \pi/2$ when $x \to \infty$ - Mathematics Stack Exchange
Dave Richeson on Twitter: "Euler proved that π/4=arctan(1/2)+arctan(1/3), which can be used for computing digits of π (using the arctangent series). I wondered if I could prove it without using a trig