Level:
Project ID:
1003023108
Accepted:
1
Clonable:
0
Easy:
0
Select a pair of angles \( \alpha \), \( \beta \), that take the same position on the unit circle?
\( \alpha = \frac23\pi;\ \beta=-\frac43\pi \)
\( \alpha = \frac65\pi;\ \beta=\frac45\pi \)
\( \alpha = -\frac76\pi;\ \beta = -\frac{32}6\pi \)
\( \alpha=-\frac23\pi;\ \beta=\frac{31}3\pi \)