TAN Section: Linux Programmer's Manual (3) Updated: June 8, 2025 Index   NAME tan - tangent function   SYNOPSIS #include <math.h> double tan(double x);   DESCRIPTION The tan() function returns the tangent of x, where x is given in radians.   CONFORMING TO SVID 3, POSIX, BSD 4.3, ISO 9899   SEE ALSO   Index NAME SYNOPSIS DESCRIPTION CONFORMING TO SEE ALSO This document was created by using the manual pages. Time: 11:58:06 GMT, March 24, 2025