Trigonometry

 
Section 9.4

 Introduction to vectors

 Addition of vectors & an example to help with homework exercises 7-8

 Position vectors, unit vectors, and the vectors i and j

 Examples to help with homework exercises 9, 10, 25-38

 Examples to help with homework exercises 11, 12, 39-44

 Examples to help with homework exercises 45-50, 55-60