Timeline for Diophantine equation $\cos(2\pi x)\cos(2\pi y) = \cos(2\pi z)$
Current License: CC BY-SA 4.0
6 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Nov 23, 2023 at 11:16 | history | edited | GH from MO |
edited tags
|
|
| Nov 21, 2023 at 23:40 | vote | accept | WhatsUp | ||
| Nov 21, 2023 at 23:18 | comment | added | Gerry Myerson | I solved some similar problems in Myerson, G. Rational products of sines of rational angles. Aequat. Math. 45, 70–82 (1993). doi.org/10.1007/BF01844426 including rational products of three (respectively, four) cosines of rational angles, and rational solutions of $\cos\pi x\cos\pi y=\cos\pi z\cos\pi w$ | |
| Nov 21, 2023 at 14:45 | history | edited | YCor |
edited tags
|
|
| Nov 21, 2023 at 13:51 | answer | added | David E Speyer | timeline score: 9 | |
| Nov 21, 2023 at 12:43 | history | asked | WhatsUp | CC BY-SA 4.0 |