# sech

Last modified by Administrator on 2020/08/13 18:57

# Notations of sech

The sech symbol represents the hyperbolic secant function. Sech\([z]\) gives the hyperbolic secant of \(z\).

### Description of the sech symbol

- Sech in OpenMath, and in MathML it seems sech is not included.
- Sech also is described in MathWord and in Wikipedia

### Observations of the hyperbolic secant function

Put your observations here ...

#### English

In the example on the right from page 294 in the English book Mathematics for engineers and scientists we see that the hyperbolic secant function is represented.

Go directly to the page in google books link