ccos(3) - phpMan
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); 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 cabs(3), csin(3), ctan(3), complex(7) 2002-07-28 CCOS(3)
