Addthis Share Tools Most trigonometry students look at triangles on a flat surface. However, people from ancient astronomers to modern navigators calculated the arc lengths and angles of triangles on ...

A learning tool fo spherical trigonometry This is a tool for learning the Spherical Trigonometry as explained by I.Todhunter and J.G.Leathem in McMillan, London, 1914. I want to build this tool to ...

A new and complete treatise of spherical trigonometry: in which are contained the orthographic, analytical and logarithmical solutions of the several cases of spherical triangles, Whether right-angled ...

Yule's PARCOR identity is recognized as the cosine law of spherical trigonometry. The six PARCORs propagated by the fully normalized FRLS lattice filter are the cosines of the six elements of a ...

Books Received Published: 19 January 1899 Spherical Trigonometry (Theoretical and Practical) Nature 59, 268 (1899) Cite this article ...

Congruent and Symmetric Spherical Triangles - C, S, SA - dated February 8-1943 Location Currently not on view Credit Line Gift of Louise D. Campbell date made 1943-1945 ID Number 1979.3002.084 catalog ...