# If #A = <3 ,-1 ,3 >#, #B = <2 ,-3 ,5 ># and #C=A-B#, what is the angle between A and C?

##### 1 Answer

Nov 20, 2016

#### Explanation:

C= A-B= <3,-1,3>- <2, -3, 5> = < 1,2,-2>

Angle between A and C would be given by

=