asin.c File Reference

#include "../math.h"

Functions
double	asin (double x)
	Compute arc sine. More...

Function Documentation

asin()

double asin

(

double

x

)

Compute arc sine.

The asin functions compute the principal value of the arc sine of x. A domain error occurs for arguments not in the interval [−1, +1].

Parameters

x	Value whose arc cosine is computed, in the interval [-1,+1].

Returns

The asin functions return arcsin x in the interval [−π /2, +π /2] radians.