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TAN(3)		      DragonFly Library Functions Manual		TAN(3)

NAME

tan, tanf, tanl -- tangent functions

SYNOPSIS

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

DESCRIPTION

The tan() function computes the tangent of x (measured in radians). The tanf() function is a single precision version of tan(). The tanl() func- tion is an extended precision version of tan(). A large magnitude argu- ment may yield a result with little or no significance.

RETURN VALUES

The tan(), tanf() and tanl() functions return the tangent value.

SEE ALSO

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

STANDARDS

The tan() function conforms to ANSI X3.159-1989 (``ANSI C89''). DragonFly 4.7 June 5, 2013 DragonFly 4.7

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