Questão 1780463

\(\left\{0,\frac{\pi}{2},\ \pi\right\}\)

\(\left\{0,\pi\right\}\)

\(\left\{0,\frac{\pi}{4},\frac{3\pi}{4},\ \pi\right\}\)

\(\left\{0,\frac{\pi}{4},\frac{\pi}{2},\frac{3\pi}{4},\ \pi\right\}\)

\(\left\{0,\frac{\pi}{4},\frac{\pi}{2},\frac{3\pi}{4}\right\}\)