Loading [MathJax]/jax/output/HTML-CSS/fonts/TeX/fontdata.js

sec( z )

The secant of z in Math. Defined by

secz=1cosz

Real part on the real axis:

-5.0 -2.5 2.5 5.0 -5.0 -2.5 2.5 5.0

Imaginary part on the real axis is zero.

Real part on the imaginary axis:

-5.0 -2.5 2.5 5.0 0.25 0.50 0.75 1.00

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