Parametrizing and projecting a sphere | Universal Hyperbolic Geometry 38 | NJ Wildberger
34:48
Classical spherical trigonometry | Universal Hyperbolic Geometry 36 | NJ Wildberger
44:19
Spherical and elliptic geometries (cont.) | Universal Hyperbolic Geometry 34 | NJ Wildberger
31:51
Visualisation des quaternions (nombres 4d) avec projection stéréographique
21:15
Stereographic Projection Tutorial Using Line Parametrization
31:54
Perpendicularity, polarity and duality on a sphere | Universal Hyperbolic Geometry 37
40:38
Apollonius and polarity | Universal Hyperbolic Geometry 1 | NJ Wildberger
19:52
À l'intérieur du canon V3 de Londres
32:13