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15°
π/12
30°
π/6
45°
π/4
60°
π/3
75°
5π/12
90°
π/2
105°
7π/12
120°
2π/3
135°
3π/4
150°
5π/6
165°
11π/12
180°
π
195°
13π/12
210°
7π/6
225°
5π/4
240°
4π/3
255°
17π/12
270°
3π/2
285°
19π/12
300°
5π/3
315°
7π/4
330°
11π/6
345°
23π/12
360°
2π
π/12
15°
π/6
30°
π/4
45°
π/3
60°
5π/12
75°
π/2
90°
7π/12
105°
2π/3
120°
3π/4
135°
5π/6
150°
11π/12
165°
π
180°
13π/12
195°
7π/6
210°
5π/4
225°
4π/3
240°
17π/12
255°
3π/2
270°
19π/12
285°
5π/3
300°
7π/4
315°
11π/6
330°
23π/12
345°
2π
360°