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Manpage of ASIN

ASIN

Index
 

NAME

asin, asinf, asinl - arc sine function  

SYNOPSIS

#include <math.h>

double asin(double x);

float asinf(float x);

long double asinl(long double x);
 

DESCRIPTION

The fBasin()fP function calculates the arc sine of fIxfP; that is the value whose sine is fIxfP. If fIxfP falls outside the range -1 to 1, fBasin()fP fails and fIerrnofP is set.  

RETURN VALUE

The fBasin()fP function returns the arc sine in radians and the value is mathematically defined to be between -PI/2 and PI/2 (inclusive).  

ERRORS

EDOM
fIxfP is out of range.
 

CONFORMING TO

SVID 3, POSIX, BSD 4.3, ISO 9899. The float and long double variants are C99 requirements.  

SEE ALSO

acos(3), atan(3), atan2(3), cos(3), sin(3), tan(3)


 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
ERRORS
CONFORMING TO
SEE ALSO