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AT&T UNIX™PC Unix System V Users Manual - tenox

AT&T UNIX™PC Unix System V Users Manual - tenox

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SINII ( 3M ) SINH ( 3M )<br />

NAME<br />

sinh, cosh, tanh - hyperbolic functions<br />

SYNOPSIS<br />

#include < math.h ><br />

double sinh (x)<br />

double x;<br />

double cosh (x)<br />

double x;<br />

double tanh (x)<br />

double x;<br />

DESCRIPTION<br />

Sinh, cosh and tanh return respectively the hyperbolic sine, cosine<br />

and tangent of their argument.<br />

DIAGNOSTICS<br />

Sinh and cosh return HUGE when the correct value would<br />

overflow, and set errno to ERANGE.<br />

These error-handling procedures may be changed with the function<br />

matherr(3M).<br />

SEE ALSO<br />

matherr(3M}.<br />

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