1. 30 90
180
360 45
135
225
315 60
120
150
210
330
240
270

2. π/6
π/2 π
3π/2 2π
π/4
3π/4
5π/4
7π/4
π/3
2π/3
5π/6
7π/6
4π/3
5π/3
11π/6

3. 60 1 1 30 45 1 2 2 √2 √3 1 1
√3/2
√2/2
1/2 30 60 45 √3
√3/2
1/2 1
√2/2 1
The values written in black are normal side length of special right triangles. However, in the unit circle the radius is 1 so each of our hypotenuses should be 1 unit long, to create this triangle we have to divide each side by 2 (or square root 2). The units of length for the unit circle are written in green.

4. (cos, sin)
(√3/2, 1/2)
(1/2, √3/2)
(√2/2, √2/2)
(1,0)
(0,1)
(-1,0)
(0,-1)
(-1/2, √3/2)
(-√2/2, √2/2)
(-√3/2, 1/2)
(-√3/2, -1/2)
(-√2/2, -√2/2)
(-1/2, -√3/2)
(√3/2, -1/2)
(√2/2, -√2/2)
(1/2, -√3/2)