[Updated] COMPLETE guide to vectors! - IB Math AA HL

The original video: https://youtu.be/oQmRfNl6pqI?si=NzFXVw90pap1n1RU Part 2: https://youtu.be/RfkHEMJ6iGY Part 3: https://youtu.be/dTn458-I_lM 00:00 - Intro 01:50 - Equations of Lines and Planes 06:32 - Intersection between two planes 15:08 - Equations of Lines 18:12 - Intersection between two lines 23:08 - Distance between two parallel lines 26:07 - Distance between a point and a line 26:31 - Distance between a point and a plane 29:00 - Intersection between a line and a plane 29:36 - Distance between two skew lines 39:53 - Distance betwee two planes / a plane and a parallel line 43:21 - Angle between two lines 44:38 - Angle between two planes 47:32 - Angle between a line and a plane 49:28 - Projection of a line on a plane