Cos(20)
Input |
---|
cos(20°) |
Decimal approximation |
0.939692620785908384054109277324731469936208134264464633090… |
Reference triangle for angle 20° |
width | cos(20 °)~~0.939693 height | sin(20 °)~~0.34202 |
Alternate form |
cos(pi/9) |
Continued fraction |
[0; 1, 15, 1, 1, 2, 1, 1, 3, 1, 2, 1, 1, 5, 2, 1, 1, 2, 19, 18, 3, 1, 27, 162, 1, 2, 3, 1, 1, …] |