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OpenDarwin 7.2.1 - man page for cosh (opendarwin section 3)

COSH(3) 			   BSD Library Functions Manual 			  COSH(3)

NAME
     cosh -- hyperbolic cosine function

SYNOPSIS
     #include <math.h>

     double
     cosh(double x);

DESCRIPTION
     The coshf() function computes the hyperbolic cosine of x.

SPECIAL VALUES
     cosh(+-0) returns 1.

     cosh(+-infinity) returns +infinity.

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

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

BSD					November 20, 2002				      BSD


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