Solve the Equation for Exact Solutions Over the Interval [0 $$[ 0,2 \pi )$$

Multiple Choice

Solve the equation for exact solutions over the interval [0, 2 $$[ 0,2 \pi )$$
- $$\sin ^ { 2 } x - \cos ^ { 2 } x = 0$$

A) $\left\{ \frac { \pi } { 4 } , \frac { \pi } { 3 } \right\}$
B) $\left\{ \frac { \pi } { 4 } \right\}$
C) $\left\{ \frac { \pi } { 4 } , \frac { 3 \pi } { 4 } , \frac { 5 \pi } { 4 } , \frac { 7 \pi } { 4 } \right\}$
D) $\left\{ \frac { \pi } { 4 } , \frac { \pi } { 6 } \right\}$