1082)0≤x<5/6π또는7/6π<x,2π 1083)π/6≤x<π/2또는7/6π≤x<3/2π 1084)0≤x≤π/3또는2/3π≤x≤l5/4π또는7/4π≤x<2≤ 1085)0<x≤5/6π또는7/6π≤x<2π
당신은 어느 그룹입니까?