Syntax #include <math.h> double atan(double x); float atanf(float x); Arguments x (any numeric value)
#include <math.h> double atan(double x); float atanf(float x);
x (any numeric value)
Return Value Arc tangent (in the range of -pi/2 to pi/2 )
Arc tangent (in the range of -pi/2 to pi/2 )
Description
Returns the arc tangent of the specified argument.