asinf(3) [netbsd man page]

ASIN(3) 						   BSD Library Functions Manual 						   ASIN(3)

NAME

     asin, asinf -- arc sine function

LIBRARY

     Math Library (libm, -lm)

SYNOPSIS

     #include <math.h>

     double
     asin(double x);

     float
     asinf(float x);

DESCRIPTION

     The asin() and asinf() functions compute the principal value of the arc sine of x in the range [-pi/2, +pi/2].

RETURN VALUES

     If |x|>1, asin(x) and asinf(x) return NaN and set the global variable errno to EDOM.

SEE ALSO

     acos(3), atan(3), atan2(3), cos(3), cosh(3), math(3), sin(3), sinh(3), tan(3), tanh(3)

STANDARDS

     The asin() function conforms to ANSI X3.159-1989 (``ANSI C89'').

BSD
								    May 2, 1991 							       BSD