Annotations:

Symbols:

$\coth z$: hyperbolic cotangent function, $\tanh z$: hyperbolic tangent function and $x$: real variable

A&S Ref:

AMS55 (Figure 4.6)

Permalink:

http://dlmf.nist.gov/4.29.F3.mag

Encodings:

Magnified png, pdf

See also:

Annotations for §4.29 and Ch.4