1003023311
Level:
A
Which of the given degree values is not of the angle coterminal to the angle of \( 60^{\circ} \)? (Two angles are coterminal if they are drawn in the standard position and both have their terminal sides in the same location.)
\( 300^{\circ} \)
\( -300^{\circ} \)
\( -660^{\circ} \)
\( 420^{\circ} \)