# What is the angle between #<6,8,1 ># and #< 4, 7, 3 >#?

##### 1 Answer

Feb 16, 2016

arccos ((cross product)/(product of the lengths of the vectors))

= arccos (83/(

= 16.25 deg, nearly.

#### Explanation:

Here, the cross product = 6 X 4 = 8 x 7 +1 X 3 = 83. The lengths of the vectors are