# SECH function

The SECH function returns the hyperbolic secant of an angle.

## Parts of a SECH formula

`SECH(value)`

 Part Description `value` Any real value to calculate the hyperbolic secant of.

## Sample formulas

`SECH(A1)`

`SECH(1)`

## Examples

 A B 1 Formula Result 2 =SECH(1) 0.6480542737 3 =SECH(-1) 0.6480542737 4 =SECH(4) 0.03661899347

## Related functions

• SEC: The SEC function returns the secant of an angle measured in radians.
• COT: The COT function returns the cotangent of an angle provided in radians.
• COTH: The COTH function returns the hyperbolic cotangent of any real number.
• ACOT: The ACOT function returns the inverse cotangent of a value in radians.
• ATANH: The ATANH function returns the inverse hyperbolic tangent of a number.
• ATAN: The ATAN function returns the inverse tangent of a value in radians.
• ATAN2: The ATAN2 function returns the angle between the x-axis and a line segment from the origin (0,0) to the specified coordinate pair (`x`,`y`), in radians.
• ASINH: The ASINH function returns the inverse hyperbolic sine of a number.
• ASIN: The ASIN function returns the inverse sine of a value in radians.
• SIN: The SIN function returns the sine of an angle provided in radians.
• COS: The COS function returns the cosine of an angle provided in radians.
• ACOSH: The ACOSH function returns the inverse hyperbolic cosine of a number.
• ACOS: The ACOS function returns the inverse cosine of a value in radians.
• DEGREES: The DEGREES function converts an angle value in radians to degrees.