cosh
cosh
Hyperbolic cosine
float **cosh** float $num
Returns the hyperbolic cosine of ,
defined as .
num``(exp($num) + exp(-$num))/2
numThe argument to process
The hyperbolic cosine of
num
cos``acosh``sinh``tanh
Hyperbolic cosine
float **cosh** float $num
Returns the hyperbolic cosine of ,
defined as .
num``(exp($num) + exp(-$num))/2
numThe argument to process
The hyperbolic cosine of
num
cos``acosh``sinh``tanh