.TH SINH 2 .SH NAME sinh, cosh, tanh \- hyperbolic functions .SH SYNOPSIS .B #include .br .B #include .PP .B double sinh(double x) .PP .B double cosh(double x) .PP .B double tanh(double x) .SH DESCRIPTION These functions compute the designated hyperbolic functions for real arguments. .SH SOURCE .B /sys/src/libc/port .SH SEE ALSO .IR intro (2)