Annotations:

Symbols:

$\mathrm{csch}z$: hyperbolic cosecant function, $\mathrm{sech}z$: hyperbolic secant function and $x$: real variable

A&S Ref:

AMS55 (Figure 4.6)

Permalink:

http://dlmf.nist.gov/4.29.F5.mag

Encodings:

Magnified png, pdf

See also:

Annotations for §4.29 and Ch.4