CCOS(3) complex math routines CCOS(3)
NAME
ccos, ccosf, ccosl - complex cosine function
SYNOPSIS
#include <complex.h>
double complex ccos(double complex z);
float complex ccosf(float complex z);
long double complex ccosl(long double complex z);
DESCRIPTION
The complex cosine function ccos(z) is defined as
(exp(i*z)+exp(-i*z))/2.
CONFORMING TO
C99
SEE ALSO
cabs(3), ctan(3), csin(3)
2002-07-28 CCOS(3)