Table of Contents
tan, tanf, tanl - tangent function
#include <math.h>
double tan(double x);
float tanf(float x);
long double tanl(long double x);
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)
Table of Contents