What is a vector?
Be careful! Vector u is not in standard position.
#1. What are the rectangular components of vector u?
Hint: < , >
#2. What is the magnitude of vector u?
Hint: You know the lengths of both legs from #1.
#3. What is the direction of vector u?
Hint: You have a right triangle, know the lengths of both legs, and need to find the angle from the horizontal.