# SECH

## Content

This function returns the hyperbolic secant of the specified angle.

## Syntax

`SECH(angle)`

## Arguments

[Required] This function can take any real number as an argument. The *angle* argument is the angle in radians for which you want the hyperbolic secant.

## Remarks

The absolute value of *angle* must be less than 2^27.

## Examples

`SECH(30)` gives the result 1.87E-13
`SECH(45)` gives the result 5.73E-20