Convert the Angle to Decimal Degrees and Round to the Nearest

Multiple Choice

Convert the angle to decimal degrees and round to the nearest hundredth of a degree.
-Find $\sin \theta$ , given that $\cos \theta = \frac { 2 } { 7 }$ and $\theta$ is in quadrant IV.

A) $- 3 \sqrt { 5 }$
B) $- \frac { 7 } { 2 }$
C) $- \frac { 3 \sqrt { 5 } } { 2 }$
D) $- \frac { 3 \sqrt { 5 } } { 7 }$