COSH
NAME SYNOPSIS DESCRIPTION CONFORMING TO SEE ALSO
cosh - hyperbolic cosine function
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The cosh() function returns the hyperbolic cosine of x, which is defined mathematically as (exp(x) + exp(-x)) / 2.
SVID 3, POSIX, BSD 4.3, ISO 9899
acosh(3), asinh(3), atanh(3), sinh(3), tanh(3)
