Timeline for How do we prove that :$\tan^2(10)+\tan^2(50)+\tan^2(70) =9$
Current License: CC BY-SA 4.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Sep 19, 2023 at 10:25 | vote | accept | Mostafa | ||
| Sep 19, 2023 at 10:25 | history | bounty ended | Mostafa | ||
| Sep 15, 2023 at 20:32 | vote | accept | Mostafa | ||
| Sep 19, 2023 at 10:25 | |||||
| Sep 15, 2023 at 20:29 | history | answered | Gonçalo | CC BY-SA 4.0 |