(0,1)
(1/2, √3/2)
(√2/2, √2/2)
(√3/2,1/2)
(1,0)
(√3/2,-1/2)
(√2, -√2)
(1/2, -√3/2)
(0.-1)
(-1/2, -√3/2)
(-√2/2,-√2/2)
(-√3/2, -1/2)
(-1,0)
(-√3/2, 1/2)
(-√2/2, √2/2)
(-1/2, √3/2)
π/2
π/3
π/4
π/6
0, 2π
11π/6
7π/4
5π/3
3π/2
4π/3
5π/4
7π/6
π
5π/6
3π/4
2π/3
90
60
45
30
330
315
300
270
240
225
210
180
150
135
120
0