NAME
ccos, ccosf, ccosl - complex cosine function
SYNOPSIS
#include <complex.h>
I double complex ccos(double complex z );
I float complex ccosf(float complex z );
I long double complex ccosl(long double complex z );
Link with -lm.
DESCRIPTION
The complex cosine function ccos(z) is defined as (exp(i*z)+exp(-i*z))/2.
CONFORMING TO
C99
SEE ALSO
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