Use Identities to Solve Trigonometric Equations
Solve the Equation on the Interval

Multiple Choice

Use Identities to Solve Trigonometric Equations
Solve the equation on the interval [0, 2π) .
- $\sin ^ { 2 } 2 x = 1$

A) $\frac { \pi } { 4 } , \frac { 3 \pi } { 4 } , \frac { 5 \pi } { 4 } , \frac { 7 \pi } { 4 }$
B) $0 , \frac { 2 \pi } { 3 } , \pi , \frac { 4 \pi } { 3 }$
C) $\frac { \pi } { 8 } , \frac { 9 \pi } { 8 }$
D) no solution