Solve the Equation on the Interval $$0 \leq \theta < 2 \pi$$

Multiple Choice

Solve the equation on the interval $$0 \leq \theta < 2 \pi$$
- $$\sin ^ { 2 } \theta - \cos ^ { 2 } \theta = 0$$

A) $\frac { \pi } { 4 } , \frac { \pi } { 6 }$

B) $\frac { \pi } { 4 } , \frac { 3 \pi } { 4 } , \frac { 5 \pi } { 4 } , \frac { 7 \pi } { 4 }$

C) $\frac { \pi } { 4 } , \frac { \pi } { 3 }$

D) $\frac { \pi } { 4 }$