Documentation/Calc Functions/SECH

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Function name:

SECH

Category:

Mathematical

Summary:

Returns the hyperbolic secant of a number.

Syntax:

SECH(Number)

Returns:

Returns the hyperbolic secant of Number. The resultant value is between 0 and 1(included), i.e. (0,1].

Arguments:

Number is the real number, or a reference to a cell containing that number, whose hyperbolic secant value is to be calculated.

Additional details:

The hyperbolic secant value of a Number is equal to the inverse of its hyperbolic cosine.

The formula for the SECH function is:

Seche.png

Where N is the Number.

The figure below illustrates the function SECH.

SECH function

Examples:

Formula Description Returns
=SECH(1) hyperbolic secant of 1 0.648054273663885
=SECH(0) hyperbolic secant of 0 1

Related LibreOffice functions:

COSH

SEC

ODF standard:

Section 6.16.57, part2

Equivalent Excel functions:

SECH