Solve the Problem
-Let Angle POQ Be Designated $\theta$ Angles $\mathrm { PQR }$

Multiple Choice

Solve the problem
-Let angle POQ be designated $\theta$ . Angles $\mathrm { PQR }$ and VRQ are right angles. If $\theta = 18 ^ { \circ }$ , find the length OV accurate to four decimal places.

A) $0.9511$
B) $3.2361$
C) $0.3090$
D) $1.0515$