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ASIN(3)			   Linux Programmer's Manual		       ASIN(3)

NAME
       asin - arc sine function

SYNOPSIS
       #include	<math.h>

       double asin(double x);

DESCRIPTION
       The  asin()  function  calculates  the arc sine of x; that is the value
       whose sine is x.	 If x falls outside the	range -1 to  1,	 asin()	 fails
       and errno is set.

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

ERRORS
       EDOM   x	is out of range.

CONFORMING TO
       SVID 3, POSIX, BSD 4.3, ISO 9899

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

				  1993-06-08			       ASIN(3)

NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | ERRORS | CONFORMING TO | SEE ALSO

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