coth

The hyperbolic cotangent function.

Syntax

• coth(x)

  • x is a real or complex number

Description

The hyperbolic cotangent function is defined by

coth(z) = cosh(z) / sinh(z)

for all complex z.

Examples

coth(1)

1.3130352855

coth(i)

−0.642092615934⋅i

See also

• cosh

• sinh

• tanh

• cot

• arccoth