Find all solutions to the equation.

$\sin\theta=-\frac{\sqrt3}{2}$

• A. $\theta=\frac{\pi}{3}+2\pi n,\frac{2\pi}{3}+2\pi n$
• B. $\theta=\frac{7\pi}{6}+2\pi n,\frac{11\pi}{6}+2\pi n$
• C. $\theta=\frac{4\pi}{3}+2\pi n,\frac{5\pi}{3}+2\pi n$
• D. $\theta=\frac{\pi}{6}+2\pi n,\frac{5\pi}{6}+2\pi n$