asinf man page on FreeBSD

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[printable version]

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

NAME
asin, asinf, asinl — arc sine functions

LIBRARY
Math Library (libm, -lm)

SYNOPSIS
#include <math.h>

double
asin(double x);

float
asinf(float x);

long double
asinl(long double x);

DESCRIPTION
The asin(), asinf(), and asinl() functions compute the principal value of
the arc sine of x.

RETURN VALUES
These functions return the arc sine in the range [-π/2, +π/2] radians.
If:

|x| > 1

asin(x) raises an invalid exception and returns an NaN.

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

STANDARDS
The asin(), asinf(), and asinl() functions conform to ISO/IEC 9899:1999
(“ISO C99”).

BSD				 July 31, 2008				   BSD
```
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