* Copyright (c) 1980 The Regents of the University of California.
* %sccs.include.proprietary.c%
static char sccsid
[] = "@(#)c_sin.c 5.2 (Berkeley) %G%";
double sin(), cos(), sinh(), cosh();
r
->real
= sin(z
->real
) * cosh(z
->imag
);
r
->imag
= cos(z
->real
) * sinh(z
->imag
);