Cos48

Cos48

Input
cos(48°)
Exact result
sin((7 pi)/30)
Decimal approximation
0.669130606358858213826273330686780473599583218959795676817…
Reference triangle for angle 48°
width | cos(48 °) = sin(42 °)~~0.669131
height | sin(48 °) = cos(42 °)~~0.743145
Continued fraction
[0; 1, 2, 44, 1, 3, 5, 6, 2, 35, 2, 9, 9, 1, 37, 1, 4, 1, 6, 3, 4, 3, 11, 1, 17, 1, 9, 1, 1, 2, …]

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