Manual Section... (3) - page: ccos
NAMEccos, ccosf, ccosl - complex cosine function
double complex ccos(double complex z);
float complex ccosf(float complex z);
long double complex ccosl(long double complex z);
DESCRIPTIONThe complex cosine function is defined as:
ccos(z) = (exp(i * z) + exp(-i * z)) / 2
VERSIONSThese functions first appeared in glibc in version 2.1.
SEE ALSOcabs(3), csin(3), ctan(3), complex(7)
COLOPHONThis page is part of release 3.24 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.
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Time: 15:26:44 GMT, June 11, 2010