tanh

The hyperbolic tangent function.

Syntax

• tanh(x)

  • x is a real or complex number

Description

The hyperbolic tangent function is defined by

tanh(z) = sinh(z) / cosh(z)

for all complex z.

Examples

tanh(0)

0

tanh(1)

0.761594155956

tanh(i)

1.55740772465⋅i

See also

• sinh

• cosh

• coth

• tan

• arctanh