Parte:
Project ID:
2010010705
Source Problem:
Accepted:
0
Clonable:
1
Easy:
1
El conjunto solución de la ecuación \( \cos\!\left(2\varphi + \frac{\pi}6\right) = - 1\) para \( \varphi \in [ 0;2\pi]\) es:
\(\left\{ \frac{5\pi}{12}; \frac{17\pi}{12}\right\}\)
\(\left\{ \frac{5\pi}{12}; \frac{11\pi}{12}\right\}\)
\(\left\{ \frac{7\pi}{12}; \frac{13\pi}{12}\right\}\)
\(\left\{ \frac{7\pi}{12}; \frac{17\pi}{12}\right\}\)