I’ve created a number of playlists – which should cover nearly all of the key content that you need for HL Maths.  Used alongside a good textbook these should allow you to both prepare for lessons and review them afterwards.  Each playlist has a mixture of lesson content and also worked solutions for past paper style questions.

4) Vectors: Dot products, cross products, unit vectors, parametric equations. Vector equations of lines, planes, intersection of a line and a plane, intersection of 2 planes.