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tanh(3) [opendarwin man page]

TANH(3) 						   BSD Library Functions Manual 						   TANH(3)

tanh -- hyperbolic tangent function SYNOPSIS
#include <math.h> double tanh(double x); DESCRIPTION
The tanh() function computes the hyperbolic tangent of x. SPECIAL VALUES
tanh(+-0) returns +-0. tanh(+-infinity) returns +-1. SEE ALSO
acos(3), asin(3), atan(3), atan2(3), cos(3), cosh(3), sin(3), sinh(3), tan(3), math(3) STANDARDS
The tanh() function conforms to ISO/IEC 9899:1999(E). BSD
November 20, 2002 BSD
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