Enhanced C#
Language of your choice: library documentation

Provides trigonometry operations. More...
Provides trigonometry operations.
Public Member Functions  
T  Asin (T a) 
T  Acos (T a) 
T  Atan (T a) 
T  Atan2 (T a, T b) 
T  Sin (T a) 
T  Cos (T a) 
T  Tan (T a) 