For 13 and 14, prove that the vector is a unit vector, and find its direction cosines
Chapter 10, Problem 13(choose chapter or problem)
For 13 and 14, prove that the vector is a unit vector, and find its direction cosines and direction angles.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer