C Programming/complex.h/cacos

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Prototypes[edit | edit source]

double complex cacos(double complex z);
float complex cacosf(float complex z);
long double complex cacosl(long double complex z);

Description[edit | edit source]

These functions compute and return the complex arc cosine value, in the range of a strip mathematically unbounded along the imaginary axis and in the interval [0, π] along the real axis.