Calculates the tangent of an angle.
Tan ( n )
Argument  | 
Description  | 
|---|---|
n  | 
The angle (in radians) for which you want the tangent  | 
Double. Returns the tangent of n if it succeeds and –1 if an error occurs.
Both these expressions return 0:
Tan(0) Tan(Pi(1))
This expression returns 1.55741:
Tan(1)