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Command: tanf | Section: 3 | Source: FreeBSD | File: tanf.3.gz
TAN(3) FreeBSD Library Functions Manual TAN(3)
NAME
tan, tanf, tanl - tangent functions
LIBRARY
Math Library (libm, -lm)
SYNOPSIS
#include <math.h>
double
tan(double x);
float
tanf(float x);
long double
tanl(long double x);
DESCRIPTION
The tan(), tanf(), and tanl() functions compute the tangent of x
(measured in radians). 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), ctan(3), math(3),
sin(3), sinh(3), tanh(3)
STANDARDS
These functions conform to ISO/IEC 9899:1999 ("ISO C99").
FreeBSD 14.1-RELEASE-p8 January 24, 2008 FreeBSD 14.1-RELEASE-p8