cacosh

cacoshf, cacosh, cacoshl

Defined in header `<complex.h>`
float complex cacoshf( float complex z );	(1)	(since C99)
double complex cacosh( double complex z );	(2)	(since C99)
long double complex cacoshl( long double complex z );	(3)	(since C99)
Defined in header `<tgmath.h>`