Solve the Given Equation $\sin ^ { 2 } \theta - \sin \theta - 6 = 0$

Multiple Choice

Solve the given equation. $\sin ^ { 2 } \theta - \sin \theta - 6 = 0$

A) $2$
B) $- 3$
C) $\pi / 2 + 2 k \pi$
D) $\mathrm { k\pi }$
E) no solution