Go to the first, previous, next, last section, table of contents.


asin

Syntax

#include <math.h>

double asin(double x);

Description

This function returns the angle in the range [-Pi/2..Pi/2] whose sine is x.

Return Value

The inverse sine, in radians, of x. If the absolute value of x is greater than 1, the return value is NaN and errno is set to EDOM.

Portability

ANSI, POSIX


Go to the first, previous, next, last section, table of contents.