SECH (Number) SECH (Number)
Number
Number Number
The input number.
Returns
Number Number
The hyperbolic secant.
Returns the hyperbolic secant of a number. The hyperbolic secant is the reciprocal of the hyperbolic cosine, equivalent to 1 / COSH (Number)1 / COSH (Number). See also CSCH (reciprocal of hyperbolic sine) and COTH (reciprocal of hyperbolic tangent).
Example
SECH (30)
SECH (30)
Returns roughly 1.87 * 10^-13.