1. Objective: Find the dot product of two vectors. Find the angle between two vectors. Dot product definition Example 1 Find the dot product. v = 2i – j w = 3i – 5j a. b.

2. Angle between two given vectors

3. Reminder: Law of Cosine

4. Example 2 Find the angle between the vectors. a. b.

5. Assignment Quiz corrections. Pg 719 # 3, 9-13, 17-22

6. 6.6 topics Prove two vectors are equivalent given their endpoints. Find the vector components given the endpoints. Find the vector components given the magnitude and direction angle. Find unit vector in the same direction of given vector. Sketch vector given its components. Find resultant force vector and its magnitude. Find resultant force vector and its direction angle.