tanl(3) - Linux man page

Name

tan, tanf, tanl - tangent function

Synopsis

#include <math.h>
double tan(double x);
float tanf(float x);
long double tanl(long double x);
Link with -lm.

Description

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

Conforming to

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

See Also

acos(3), asin(3), atan(3), atan2(3), cos(3), ctan(3), sin(3)