Excel SECH Function
The SECH function calculates the hyperbolic secant of an angle in radians.
Syntax
=SECH(number)
Arguments
- number (required): The angle in radians for which you want to calculate the hyperbolic secant.
Return Value
The SECH function returns a numeric value.
Function Notes
- number should be an angle in radians. If it’s an angle in degrees, use the RADIANS function: =SECH(RADIANS(number)); or multiply the angle by PI()/180, =SECH(number*PI()/180).
- SECH returns the #VALUE! error if number is not numeric.
Example
To calculate the hyperbolic secant of the angles listed in the table as shown below, please copy or enter the below formula in the top cell (D6) of the result list, and press Enter to get the result. Then select the result cell, and drag the fill handle (the small square in the lower-right corner of the selected cell) down to apply the formula to the below cells.
=SECH(B6)
Instead of a cell reference, you can type the actual number value in the formula as shown below.
=SECH(1.5707963)
Related functions
The SEC function calculates the secant of an angle.
The ACOSH function returns inverse hyperbolic cosine of a number.
The ACOTH function returns the inverse hyperbolic cotangent of a number.
The ASINH function returns the inverse hyperbolic sine of a number.
The ATANH function returns the inverse hyperbolic tangent of a number.
The COSH function returns the hyperbolic cosine of a number.
The COTH function returns the hyperbolic cotangent of a hyperbolic angle.
The CSCH function returns the hyperbolic cosecant of an angle specified in radians.
The SINH function calculates the hyperbolic sine of a number.
The TANH function calculates the hyperbolic tangent of a number.
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