Find the Magnitude and Direction Angle for the Following Vector $3 \left( \cos 102 ^ { \circ } \mathbf { i } + \sin 102 ^ { \circ } \mathbf { j } \right)$

Multiple Choice

Find the magnitude and direction angle for the following vector. Give the direction angle as an angle in [0°, 360°) rounded to the nearest tenth.
- $3 \left( \cos 102 ^ { \circ } \mathbf { i } + \sin 102 ^ { \circ } \mathbf { j } \right)$

A) $\sqrt { 3 } , 102 ^ { \circ }$
B) $3,78 ^ { \circ }$
C) $9,78 ^ { \circ }$
D) $3,102 ^ { \circ }$