sec( z )

The secant of z in Math. Defined by

\[ \sec z = \frac{ 1 }{ \cos z } \]

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:   cos   arcsec

Function category: circular functions