\(-\frac{\pi}{2} \leq x \leq \frac{\pi}{2}\)
A. \(\frac { -\pi }{ 6 }\), \(\frac { \pi }{ 6 }\)
B. \(\frac { \pi }{ 3 }\), \(\frac { -\pi }{ 3 }\)
C. \(\frac { -\pi }{ 3 }\), \(\frac { \pi }{ 3 }\)
D. \(\frac { \pi }{ 6 }\), \(\frac { -\pi }{ 6 }\)
Answer:D
\(-\frac{\pi}{2} \leq x \leq \frac{\pi}{2}\)
A. \(\frac { -\pi }{ 6 }\), \(\frac { \pi }{ 6 }\) B. \(\frac { \pi }{ 3 }\), \(\frac { -\pi }{ 3 }\) C. \(\frac { -\pi }{ 3 }\), \(\frac { \pi }{ 3 }\) D. \(\frac { \pi }{ 6 }\), \(\frac { -\pi }{ 6 }\)