Select the correct answer. What is the corresponding point on the unit circle for the given radian measure?
\theta =(7\pi )/(6)
A. ((\sqrt(3))/(2),(1)/(2))
B. (-(\sqrt(3))/(2),-(1)/(2))
C. ((1)/(2),(\sqrt(3))/(2))
D. (-(1)/(2),-(\sqrt(3))/(2))