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From: Ada novice <ycalleecharan@gmx.com>
Newsgroups: comp.lang.ada
Subject: Re: Arctan: to use with single or with double arguments?
Date: Sun, 26 Sep 2010 01:24:34 -0700 (PDT)
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On Sep 26, 9:31=A0am, Jeffrey Carter
<spam.jrcarter....@spam.not.acm.org> wrote:
> I presume because there are some cases where one has a single-valued tang=
ent
> that my be used in Arctan (Tangent), but not X and Y values for Arctan (Y=
, X).
>
> --
> Jeff Carter
> "We'll make Rock Ridge think it's a chicken
> that got caught in a tractor's nuts!"
> Blazing Saddles
> 87

Yes I guess so. Even simple things can easily create confusion. The
Arctan and Arctan2 functions
are well-explained in Norman Cohen's Ada book on page 90.