Grafik fungsi f(x)=2sin(2x−90°)f\left(x\right)=2\sin (2x-90\degree)f(x)=2sin(2x−90°) tidak pernah turun untuk nilai-nilai ... di dalam 0°≤x≤360°0\degree\le x\le360\degree0°≤x≤360°
0°≤x≤90°0\degree\le x\le90\degree0°≤x≤90°
90°≤x≤180°90\degree\le x\le180\degree90°≤x≤180°
180°≤x≤270°180\degree\le x\le270\degree180°≤x≤270°
90°≤x≤180°90\degree\le x\le180\degree90°≤x≤180° atau 270°≤x≤360°270\degree\le x\le360\degree270°≤x≤360°
0°≤x≤90°0\degree\le x\le90\degree0°≤x≤90° atau 180°≤x≤270°180\degree\le x\le270\degree180°≤x≤270°