Date: Mar 24, 2013 7:26 AM
Author: G. A. Edgar
Subject: Re: Handling branch cuts in trig functions

In article <kimdsn$lj3$>, Nasser M. Abbasi
<> wrote:

> I think now that answer to sqrt(sec(x)^2) should be
> |sec(x)| without need to give the branch.

That answer is incorrect for complex x ... so to get that answer in
Maple, you must assume x is real.

simplify(%) assuming x::real;

G. A. Edgar