Higher Mathematics
Videos created by K Oppo & N Lyons available via youtube channel:

Vectors
Video 1 – Revision of National 5

Video 2 – Magnitude and unit vector

Video 3 – Basis vectors

Video 4 – The zero vector

Video 5 – Collinearity

Video 6 – Section formula

Video 7 – Dividing a line in a given ratio

Video 8 – Scalar product with an angle

Video 9 – Scalar product with components

Video 10 – Angle between two vectors