ASIN(3)

NAME
asin - arc sine function

SYNOPSIS
#include <math.h>
double
asin(double x);
float
asinf(float x);

DESCRIPTION
The asin() and asinf() functions compute the principal value of the arc sine of x in the range [-/2, +/2].

RETURN VALUES
Exceptional cases are handled by matherr(3).

SEE ALSO
acos(3), atan(3), atan2(3), cos(3), cosh(3), sin(3), sinh(3), tan(3), tanh(3), math(3), matherr(3)