Angles

                                             Conversions of common angles
Turns Degrees Radians Gradians sine cosine tangent
0 0 0 1 0
1/12 30° π/6 33 1/ 1/2 √3/2 √3/3
1/8 45° π/4 50° √2/2 √2/2 1
1/6 60° π/3 66 2/ √3/2 1/2 √3
1/4 90° π/2 100° 1 0 undef./∞
1/3 120° 2π/3 133 1/ √3/2 1/2 √3
3/8 135° 3π/4 150° √2/2 √2/2 −1
5/12 150° 5π/6 166 2/ 1/2 √3/2 √3/3
1/2 180° π 200° 0 −1 0
7/12 210° 7π/6 233 1/ 1/2 √3/2 √3/3
5/8 225° 5π/4 250° √2/2 √2/2 1
2/3 240° 4π/3 266 2/ √3/2 1/2 √3
3/4 270° 3π/2 300° −1 0 undef./∞
5/6 300° 5π/3 333 1/ √3/2 1/2 √3
7/8 315° 7π/4 350° √2/2 √2/2 −1
11/12 330° 11π/6 366 2/ 1/2 √3/2 √3/3
1 360° 2π 400° 0 1 0