Timeline for Find better than $ 4^n\prod_{k=1}^{n-1}\cos^2(k)\sim e^{o(n)}$
Current License: CC BY-SA 4.0
4 events
| when toggle format | what | by | license | comment | |
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| Feb 15, 2021 at 14:14 | vote | accept | Paul | ||
| Feb 14, 2021 at 21:12 | comment | added | Paul | Thank you Carlo Beenakker $u_n=4^n \prod_{k=1}^{n-1}\cos^2(k)=4\left(\prod_{k=1}^{n-1}\left|1+e^{2k i}\right|\right)^2$I'm trying to see how to apply the result of your link if we replace the - with the + | |
| Feb 14, 2021 at 15:36 | history | edited | Carlo Beenakker | CC BY-SA 4.0 |
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| Feb 14, 2021 at 15:31 | history | answered | Carlo Beenakker | CC BY-SA 4.0 |