What is the angle between #<1,5,7 ># and #< 6,8,1 >#?
1 Answer
Feb 20, 2016
52.49 deg, nearly.
Explanation:
use the angle between two vectors is arc cos (cross product of the components) / (product of the lengths of the vectors).
Here, it is arc cos (6 + 40 + 7) / (