Level:
Project ID:
2010012003
Source Problem:
Accepted:
0
Clonable:
1
Easy:
0
The largest value of \( \varphi \), where \( 0^{\circ} < \varphi < 360^{\circ} \), satisfying the equation \( \sin\!\left(3\varphi + 66^{\circ}\right) = - \frac12\) is:
\( 328^{\circ} \)
\( 208^{\circ} \)
\( 338^{\circ} \)
\( 288^{\circ} \)