Timeline for Nature of $ \sum_{n \geq 1} \frac{ \cos(n) \sin(n+1) }{n} $
Current License: CC BY-SA 4.0
6 events
| when toggle format | what | by | license | comment | |
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| Nov 10, 2023 at 4:53 | comment | added | Iosif Pinelis | No, this is not a geometric series. | |
| Nov 9, 2023 at 22:25 | comment | added | Carlo Beenakker | it's a geometric series, $\sum_{m=0}^{ \infty} {z^n/ n}=-\ln(1-z)$ for any $z$ on the unit circle unequal to 1, see for example math.stackexchange.com/questions/118686/… | |
| Nov 9, 2023 at 22:14 | history | edited | Carlo Beenakker | CC BY-SA 4.0 |
added 106 characters in body
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| Nov 9, 2023 at 22:06 | history | edited | Carlo Beenakker | CC BY-SA 4.0 |
added 103 characters in body
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| Nov 9, 2023 at 21:34 | comment | added | Iosif Pinelis | Do you have a proof of this result? | |
| Nov 9, 2023 at 21:11 | history | answered | Carlo Beenakker | CC BY-SA 4.0 |