cotan function
| Input type | Output type | 
| float complex | float complex | 
This function calculates the cotangent of the argument and returns the result. If the argument is of type int, it is first converted to float by the compiler.
Examples:
cotan(2) ; -0.4577 cotan(2.0) ; -0.4577 cotan((2,0)) ; (-0.4577, 0)
Note: cotan(x) is equal to cos(x) / sin(x).
See Also
 cotanh function