The unruly sin(π/7)
| Autor: | Esther M. García-Caballero, Samuel G. Moreno |
|---|---|
| Rok vydání: | 2015 |
| Předmět: | |
| Zdroj: | Journal of Interdisciplinary Mathematics. 18:507-512 |
| ISSN: | 2169-012X 0972-0502 |
| DOI: | 10.1080/09720502.2013.857927 |
| Popis: | We give the first (to the best of our knowledge) closed-form expression for sin(p/7) in terms of ordinary arithmetical operations and root extractions on real rational numbers. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|