A:She did her homework last night.
B:She didn't do her homework last night.
没有行为表现的思想活动不属于法律调整的范围。( )
如图,AB是⊙O的直径,C,D 是⊙O上的点,∠CDB=30°,过点C作⊙O的切线交AB的延长线于E,则sinE的值为( )