tan

NAME

tan, tanf, tanl - tangent function

#include <math.h>
 I double tan(double  x );

I float tanf(float  x );

I long double tanl(long double  x );

Link with -lm.

The R tan () function returns the tangent of x, where x is given in radians.

SVr4, 4.3BSD, C89. The float and long double variants are C99 requirements.