Solve the Equation Below For $\theta$ $( 0 \leq \theta \leq 2 \pi )$

Solve the equation below for $\theta$ $( 0 \leq \theta \leq 2 \pi )$ . For some of the equations you should use the trigonometric identities listed in this section. Use the trace feature of a graphing utility to verify your results. $\cos ^ { 2 } \theta + \sin \theta = 1$

A) $0 , \pi , 2 \pi$
B) $0 , \frac { \pi } { 2 } , \pi , 2 \pi$
C) $\pi , \frac { 2 \pi } { 3 }$
D) $\frac { \pi } { 3 } , \frac { 5 \pi } { 3 }$
E) $0 , \frac { \pi } { 2 } , \frac { 3 \pi } { 2 } , \pi$