Questão 756426

\(\left\{\frac{\pi}{3},\ \frac{7\pi}{3}\right\}\)

\(\left\{\frac{\pi}{6},\ \frac{7\pi}{6}\right\}\)

\(\left\{\frac{\pi}{3},\ \frac{5\pi}{3}\right\}\)

\(\left\{\frac{\pi}{6},\ \ \frac{5\pi}{6}\right\}\)