asin3
Arc sine functions
Usage
#include <math.h>
double
asin(double x);
float
asinf(float x);
long double
asinl(long double x);
Library
Math Library (libm, -lm)
Overview
The asin(), asinf(), and asinl() functions compute the principal value of the arc sine of x.
Return values
These functions return the arc sine in the range [-/2, +/2] radians. If:
|x| > 1
asin(x) raises an invalid exception and returns an .
Releases
87 releases since FreeBSD 2.0.5-RELEASE; the text changed 48 times.