Two Vectors U and V Are Given $\mathbf { u } = \langle 4,0 , - 2 \rangle , \mathbf { v } = \langle 2,1,0 \rangle$

Multiple Choice

Two vectors u and v are given. Find the angle (expressed in degrees) between u and v. $\mathbf { u } = \langle 4,0 , - 2 \rangle , \mathbf { v } = \langle 2,1,0 \rangle$

A) $1.3 ^ { \circ }$
B) $1.2 ^ { \circ }$
C) $63.9 ^ { \circ }$
D) $36.9 ^ { \circ }$
E) none of these