ccosh(3) Library Functions Manual ccosh(3) ccosh, ccoshf, ccoshl - Math library (libm, -lm) #include double complex ccosh(double complex z); float complex ccoshf(float complex z); long double complex ccoshl(long double complex z); z. : ccosh(z) = (exp(z)+exp(-z))/2 C11, POSIX.1-2008. glibc 2.1. C99, POSIX.1-2001. cabs(3), cacosh(3), csinh(3), ctanh(3), complex(7) () Azamat Hackimov , Dmitriy S. Seregin , Dmitry Bolkhovskikh , Katrin Kutepova , Yuri Kozlov ; GNU (GNU General Public License - GPL, 3 ) , - . - , , () () () <>. Linux 6.9.1 2 2024 . ccosh(3)