| Автор | Burgess, A. G. |
| Дата выпуска | 1915 |
| dc.description | The following proof of the identityWhere A, B, C are the angles of a triangle differs from that given by Dr Bell in the last number of Mathematical Notes and from that given in “New Trigonometry for Schools” by Lock and Child in that the area of the triangle is made use of. |
| Формат | application.pdf |
| Издатель | Cambridge University Press |
| Копирайт | Copyright © Edinburgh Mathematical Society 1915 |
| Название | Geometrica Proof of a Trigonometrical Identity |
| Тип | research-article |
| DOI | 10.1017/S1757748900001432 |
| Print ISSN | 1757-7489 |
| Журнал | Mathematical Notes |
| Том | 18 |
| Первая страница | 201 |
| Последняя страница | 202 |
