In this video I manually (and painstakingly) plot an approximation of the projection of the 3D trefoil knot onto the xy-plane. I also plot the trefoil knot in 3D using the amazing GeoGebra graphing calculator as well as the new Desmos' graphing calculator. YouTube - Summary - Notes - Playlist - Vector Functions playlist
#math #trefoilknot #geogebra #desmos #calculus