00:00 - Intro
02:03 - Correct way to think about a line in 3D
05:25 - Intersection between two planes
08:17 - Cross product / Perpendicular vectors
11:28 - Step by step
12:18 - Parametric equation of a line
15:15 - Intersection between two lines
19:45 - Distance between two parallel lines
21:50 - Finding the equation of a plane
24:09 - Intersection between line and plane
27:08 - Distance between two skew lines
34:23 - Distance between planes
37:30 - Distance between point and line