TAN(3) Linux Programmer’s Manual TAN(3)
NAME
tan, tanf, tanl - tangent function
SYNOPSIS
#include <math.h>
double tan(double x);
float tanf(float x);
long double tanl(long double x);
DESCRIPTION
The tan() function returns the tangent of x, where x is given in radi-
ans.
CONFORMING TO
SVID 3, POSIX, BSD 4.3, ISO 9899. The float and the long double vari-
ants are C99 requirements.
SEE ALSO
acos(3), asin(3), atan(3), atan2(3), cos(3), sin(3)
2002-07-27 TAN(3)