0
0
30
π/6
45
π/4
60
π/3
90
π/2
120
2π/3
135
3π/4
150
5π/6
180
π
210
7π/6
225
5π/4
240
4π/3
270
3π/2
300
5π/3
315
7π/4
330
11π/6
360
2π
0
0
π/6
30
π/4
45
π/3
60
π/2
90
2π/3
120
3π/4
135
5π/6
150
π
180
7π/6
210
5π/4
225
4π/3
240
3π/2
270
5π/3
300
7π/4
315
11π/6
330
2π
360