If #A = <2 ,-7 ,5 >#, #B = <5 ,-7 ,-1 ># and #C=A-B#, what is the angle between A and C?
1 Answer
Nov 2, 2016
The angle is
Explanation:
The angle between 2 vectors is given by the dot product.
If we have two vectors
is given by
The dot product
The modulus of
The modulus of
So