Chris Kelley

1. Topluluk
2. Study Group
3. Using addition/subtraction identities to solve an angle

i think the four practice exercises in "vectors and spaces: vectors" are great.  those four practice exercises compliment the seven videos they are associated with.  there are about 30 more videos ...

1. Topluluk
2. Content Requests and Feedback
3. Practice Exercises for Linear Algebra