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ExcelExcel 2013+

SECH function in Excel

Returns the hyperbolic secant of an angle

=SECH(number)

SECH syntax and parameters

One argument, one required.

  • numbernumberRequired

SECH examples

Formulas you'll actually reuse.

  1. Hyperbolic secant — the reciprocal of COSH:

    =SECH(B2)

    Result0.6481

  2. SECH peaks at 1 when the input is 0:

    =SECH(0)

    Result1

SECH in Google Sheets

Same name — your formula ports as-is.

Try SECH in the playground

Edit the example — nothing to install.

Preloaded with the SECH formula from Example 1 — change anything and watch it respond.

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Related functions

More ways Excel gets this done.