The hyperbolic secant of z in Math. Defined by
\[ \operatorname{sech} z = \frac{ 1 }{ \cosh z } \]Real part on the real axis:
Imaginary part on the real axis is zero.
Real part on the imaginary axis:
Imaginary part on the imaginary axis is zero.
Real part on the complex plane:
Imaginary part on the complex plane:
Absolute value on the complex plane:
Related functions: cosh arcsech
Function category: hyperbolic functions