atan¶ Syntax¶ atan(x) Parameters¶ x The argument of the arc tangent function. Returns¶ The arctangent of x. The result is in the closed interval [-π/2, π/2]. Description¶ This action calculates the arc tangent, or inverse tangent, of the given value. Examples¶ my_numeric = atan(some_number) See Also¶ acos acosh asin asinh atan.md atan2 atanh cos cosh sin sinh tan tanh