The Angle, in Degrees and Correct to Two Decimal Places $\mathbf { v } = 3 \mathbf { i } + \mathbf { j } - \mathbf { k }$

Multiple Choice

The angle, in degrees and correct to two decimal places, between $\mathbf { v } = 3 \mathbf { i } + \mathbf { j } - \mathbf { k }$ and $\mathbf { w } = - 2 \mathbf { i } - \mathbf { j } + \mathbf { k }$ is

A) 172.43
B) 169.98
C) 167.24
D) 165.02
E) 162.11