Returns the hyperbolic cotangent of a number.

**Sample Usage**

COTH(1)

COTH(C5)

**Syntax**

COTH(number)

- number - The number for which the hyperbolic cotangent is to be computed..

**Examples**

COTH(1) returns the hyperbolic cotangent of 1 i.e. 1.31303

COTH(C5) returns the hyperbolic cotangent of the number contained in C5.