tanl man page on OpenBSD

tanl man page on OpenBSD

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TAN(3)			  OpenBSD Programmer's Manual			TAN(3)

NAME
     tan, tanf, tanl - tangent functions

SYNOPSIS
     #include <math.h>

     double
     tan(double x);

     float
     tanf(float x);

     long double
     tanl(long double x);

DESCRIPTION
     The tan() function computes the tangent of x (measured in radians).  The
     tanf() function is a single precision version of tan().  The tanl()
     function is an extended precision version of tan().  A large magnitude
     argument may yield a result with little or no significance.  For a
     discussion of error due to roundoff, see math(3).

RETURN VALUES
     The tan(), tanf() and tanl() functions return the tangent value.

SEE ALSO
     acos(3), asin(3), atan(3), atan2(3), cos(3), cosh(3), math(3), sin(3),
     sinh(3), tanh(3)

STANDARDS
     The tan() function conforms to ANSI X3.159-1989 (``ANSI C'').

OpenBSD 4.9		       December 12, 2008		   OpenBSD 4.9

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