Arctan((x-1)/(x-2))+Arctan((x+1)/(x+2))=(Pi/4), solve for x. - Sarthaks eConnect | Largest Online Education Community
![The function f 1 (x) = 1 − x arctan(1/x) plotted with its real entire... | Download Scientific Diagram The function f 1 (x) = 1 − x arctan(1/x) plotted with its real entire... | Download Scientific Diagram](https://www.researchgate.net/profile/Vorrapan-Chandee/publication/257341129/figure/fig1/AS:670006954192913@1536753514516/The-function-f-1-x-1-x-arctan1-x-plotted-with-its-real-entire-majorant-and.png)
The function f 1 (x) = 1 − x arctan(1/x) plotted with its real entire... | Download Scientific Diagram
![The function f (x) = arctan(1/x) − x/(1 + x 2 ) plotted with its real... | Download Scientific Diagram The function f (x) = arctan(1/x) − x/(1 + x 2 ) plotted with its real... | Download Scientific Diagram](https://www.researchgate.net/publication/257341129/figure/fig2/AS:670006954188813@1536753514531/The-function-f-x-arctan1-x-x-1-x-2-plotted-with-its-real-entire-majorant-and.png)
The function f (x) = arctan(1/x) − x/(1 + x 2 ) plotted with its real... | Download Scientific Diagram
![Dave Richeson on X: "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 Dave Richeson on X: "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](https://pbs.twimg.com/media/DhXRIQiX0AA9cMz.jpg:large)
Dave Richeson on X: "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
![trigonometry - Proving that $\arctan(x)+\arctan(1/x)=\pm \pi/2$, could this line of reasoning possibly be correct? - Mathematics Stack Exchange trigonometry - Proving that $\arctan(x)+\arctan(1/x)=\pm \pi/2$, could this line of reasoning possibly be correct? - Mathematics Stack Exchange](https://i.stack.imgur.com/PoX0f.png)