1. A = (15°, 0.5)
B = (75°, 0.5)
C = (195°, 0.5)
D = (255°, 0.5)
2. P = (2π/3, 0)
Q = (5π/3, 0)
|
3
|
0°,180° and 360° |
|
4
|
0°, 180° and 360° |
|
5
|
36.9° and 143.1° |
|
6
|
30° and 270° |
|
7
|
2π/3 or 4π/3 |
|
8
|
0,π /2, π, 3π/2, 2π |
|
9
|
2.691 radians and 3.593 radians |
|
10
|
1.848 radians and 3.294 radians |
