著者

岡田 幾太郎

出版者

近畿大学

雑誌

近畿大学九州工学部研究報告 (ISSN:13459430)

巻号頁・発行日

vol.28, pp.89-97, 2000-03-01

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The polar triangle for a hyperbolic triangle is constructed, and a sort of duality between them just like one in the case of the spherical geometry is found. Also, it is found that some formulas which are foundamental in the hyperbolic trigonometry correspond one another in the duality.