coth,csch,sech, etc.: More Hyperbolic Functions

Description

More hyperbolic functions not available in R.

Usage

coth(z)
csch(z)
sech(z)
acoth(z)
acsch(z)
asech(z)

Arguments

numeric or complex scalar or vector.

Value

Result vector of numeric or complex values.

Details

The usual hyperbolic cotangens, cosecans, and secans functions and their inverses, computed through the other well known -- in R -- hyperbolic sine, cosine, and tangens functions.

Examples

Run this code

coth(1+1i)      # 0.8680 - 0.2176i
csch(1+1i)      # 0.3039 - 0.6215i
sech(1+1i)      # 0.4983 - 0.5911i
acoth(1+1i)     # 0.4024 - 0.5536i
acsch(1+1i)     # 0.5306 - 0.4523i
asech(1+1i)     # 0.5306 - 1.1185i