Subinterval di dalam 0°≤x≤360°0\degree\le x\le360\degree0°≤x≤360° yang membuat kurva y=cosx−17y=\cos x-17y=cosx−17 selalu turun adalah ....
0°<x<180°0\degree<x<180\degree0°<x<180°
0°≤x<180°0\degree\le x<180\degree0°≤x<180°
0°≤x≤180°0\degree\le x\le180\degree0°≤x≤180°
180°<x<360°180\degree<x<360\degree180°<x<360°
180°≤x≤360°180\degree\le x\le360\degree180°≤x≤360°