cosh(x) sinh(x) tanh(x)
NA
s) are
allowed.
Missing values in the input create missing values in the output.
These are members of the
Math
group of generic functions.
See section 5.1.5 of Becker, Chambers and Wilks
for details on domains and branch cuts in the case of complex arguments.
1/tanh(x) # hyperbolic cotangent of x # be sure you have an open graphics window plot(sinh(sort(rnorm(500)))) plot(cosh(sort(rnorm(500)))) plot(tanh(sort(rnorm(500))))