EBOOK

Hyperbolic Functions
With Configuration Theorems And Equivalent And Equidecomposable Figures
V. G. Shervatov(0)
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This single-volume compilation consists of Hyperbolic Functions, introducing the hyperbolic sine, cosine, and tangent; Configuration Theorems, concerning collinear points and concurrent lines; and Equivalent and Equidecomposable Figures, regarding polyhedrons. 1963 edition.