21
22
23
24
25
26
27
0
less than or equal to theta less than or equal to
12 pi
28
0
less than or equal to theta less than or equal to
12 pi
29
0
less than or equal to theta less than or equal to
12 pi
30
0
less than or equal to theta less than or equal to
12 pi
31
0
less than or equal to theta less than or equal to
12 pi
32
0
less than or equal to theta less than or equal to
12 pi
33
0
less than or equal to theta less than or equal to
12 pi
34
35
36
37
38
39
40
41
42
43
ดำเนินการโดย
ดำเนินการโดย
กราฟเปล่าใหม่
ตัวอย่าง