An elementary proof of Niven's theorem via the tangent function.
| Autor: | Paolillo, Bonaventura1, Vincenzi, Giovanni2 vincenzi@unisa.it |
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| Zdroj: | International Journal of Mathematical Education in Science & Technology. Sep2021, Vol. 52 Issue 6, p959-964. 6p. |
| Databáze: | Academic Search Ultimate |
| Externí odkaz: |
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