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CACOSSection: Manuel du programmeur Linux (3)Updated: 21 juillet 2003 Index Return to Main Contents NOMcacos, cacosf, cacosl - Fonctions arc cosinus complexes.SYNOPSIS#include <complex.h>double complex cacos(double complex z); float complex cacosf(float complex z); long double complex cacosl(long double complex z); DESCRIPTIONLa fonction cacos() calcule la version complexe de acos(). Si y = cacos(z), alors z = ccos(y). La partie réelle de y est choisie dans l'intervalle [0,pi].On a cacos(z) = -i clog(z+csqrt(z*z-1)). CONFORMITÉC99VOIR AUSSIclog(3), ccos(3)TRADUCTIONChristophe Blaess, 2003.
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