Die Gewinnung der Grundformen der sphärischen Trigonometrie aus der stereographischen Projektion. (Obtaining of the fundamental formulae of the spherical trigonometry by means of the stereographic projection)

zbMath0607.51005MaRDI QIDQ1085432

B. George

Publication date: 1986

Published in: Elemente der Mathematik (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/141386

zbMATH Keywords

stereographic projectionspherical trianglescosinesspherical trigonometrysinesEuler triangleMoebius circle

Mathematics Subject Classification ID

General theory of nonlinear incidence geometry (51B05)

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