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sin(3M)			Mathematical Library Functions		       sin(3M)

NAME
       sin, sinf, sinl - sine function

SYNOPSIS
       c99 [ flag... ] file... -lm [ library... ]
       #include <math.h>

       double sin(double x);

       float sinf(float x);

       long double sinl(long double x);

DESCRIPTION
       These  functions	 compute the sine of its argument x, measured in radi‐
       ans.

RETURN VALUES
       Upon successful completion, these functions return the sine of x.

       If x is NaN, a NaN is returned.

       If x is ±0, x is returned.

       If x is ±Inf, a domain error occurs and a NaN is returned.

ERRORS
       These functions will fail if:

       Domain Error    The x argument is ±Inf.

		       If   the	  integer   expression	 (math_errhandling   &
		       MATH_ERREXCEPT) is non-zero, then the invalid floating-
		       point exception is raised.

USAGE
       An application wanting to check for exceptions should  call  feclearex‐
       cept(FE_ALL_EXCEPT)  before  calling  these  functions.	On  return, if
       fetestexcept(FE_INVALID | FE_DIVBYZERO | FE_OVERFLOW | FE_UNDERFLOW) is
       non-zero,  an  exception	 has been raised. An application should either
       examine the return value or check the floating point exception flags to
       detect exceptions.

ATTRIBUTES
       See attributes(5) for descriptions of the following attributes:

       ┌─────────────────────────────┬─────────────────────────────┐
       │      ATTRIBUTE TYPE	     │	    ATTRIBUTE VALUE	   │
       ├─────────────────────────────┼─────────────────────────────┤
       │Interface Stability	     │Standard			   │
       ├─────────────────────────────┼─────────────────────────────┤
       │MT-Level		     │MT-Safe			   │
       └─────────────────────────────┴─────────────────────────────┘

SEE ALSO
       asin(3M),      feclearexcept(3M),      fetestexcept(3M),	    isnan(3M),
       math.h(3HEAD), attributes(5), standards(5)

SunOS 5.11			  12 Jul 2006			       sin(3M)
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