TAN(3) BSD Library Functions Manual TAN(3)NAMEtan — tangent function
SYNOPSIS
#include <math.h>
double
tan(double x);
DESCRIPTION
The tan() function computes the tangent of x (measured in radians).
SPECIAL VALUES
tan(�0) returns �0.
tan(�infinity) returns a NaN and raises the "invalid" floating-point
exception.
SEE ALSOacos(3), asin(3), atan(3), atan2(3), cos(3), cosh(3), sin(3), sinh(3),
tanh(3), math(3)STANDARDS
The tan() function conforms to ISO/IEC 9899:1999(E).
BSD November 20, 2002 BSD