Five Books on All Kinds of Triangles
De Triangulis Omnimodis Libri Quinque (Five Books on All Kinds of Triangles)
Regiomontanus (Johannes Muller)
About This Book
mathematicsastronomygeographyphilosophy
Regiomontanus turned the triangle into a tool for mapping the heavens. This text shows you how to solve the unknown using nothing but geometry and the power of proportional logic.
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