cosh
Hyperbolic Trigonometric Functions

### Description

Returns the hyperbolic sine, hyperbolic cosine, or hyperbolic tangent transformation of a numeric or complex valued object.

### Usage

    cosh(x)
    sinh(x)
    tanh(x)

### Arguments

x | a numeric or complex vector. Missing values (NAs) are allowed.

### Details

Missing values in the input create missing values in the output.
These functions are members of the Math group of generic functions.
Value
The specified hyperbolic trigonometric function applied to x, with attributes copied from x.
See Also
cos, acosh, acos.
Examples

    cosh(seq(0, 3, by=1/2))
    cosh(seq(0, 3, by=1/2) + 1i)

Package base version 6.1.5-18
Package Index