Originální popis anglicky:
tan, tanf, tanl - tangent function
Návod, kniha: Linux Programmer's Manual
#include <math.h>
double tan(double x);
float tanf(float x);
long double tanl(long double x);
Link with -lm.
The
tan() function returns the tangent of
x, where
x is
given in radians.
SVID 3, POSIX, BSD 4.3, ISO 9899. The float and the long double variants are C99
requirements.
acos(3),
asin(3),
atan(3),
atan2(3),
cos(3),
sin(3)
