Atan
Description
The atan(x) function returns the inverse of the corresponding trigonometric function. x can be any value for atan. Returned values are in radians, degrees or gradians, depending upon the system.math.angularunits object property (which can also be set in the Options dialog box).
Syntax
double atan(double x)
Parameter
x
- can be any real number.
Return
Returns arctangent of x.
Example
aa = atan(10); aa = ; //1.4711276743037