TAN(3) BSD Library Functions Manual TAN(3)

NAME
     ttaann - tangent function

SYNOPSIS
     ##iinncclluuddee <>

     double
     ttaann(double x);

     long double
     ttaannll(long double x);

     float
     ttaannff(float x);

DESCRIPTION
     The ttaann() function computes the tangent of x (measured in radians).

SSPPEECCIIAALL VVAALLUUEESS
     ttaann(+-0) returns +-0.

     ttaann(+-infinity) returns a NaN and raises the "invalid" floating-point
     exception.

SEE ALSO
     acos(3), asin(3), atan(3), atan2(3), cos(3), cosh(3), sin(3), sinh(3),
     tanh(3), math(3)

STANDARDS     The ttaann() function conforms to ISO/IEC 9899:1999(E).

BSD                            November 20, 2002                           BSD