3.5.1.2.14 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

See Also

asin, acos, acot, asec, acsc