1. Find angle theta that lies between u= <1, -2, 2> and v = <2, 2, 2>
-a: 78.9 degrees
-b: 15.8 degrees
-c: 80.4 degrees
-d: 90 degrees
2. Given u = -i + 2j + 2k and v = 4i + k, find u x v
- a: – 4i – 0j + 2k
- b: 2i + 9j - 8k
- c: 6i – j + 4k
- d: – 2i – 9j + 8k
