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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: Sat, 25 Sep 2010 14:34:14 -0700 (PDT)
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Date: 2010-09-25T14:34:14-07:00
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On Sep 25, 7:31=A0pm, Jeffrey Carter
<spam.jrcarter....@spam.not.acm.org> wrote:
> On 09/25/2010 01:44 AM, Ada novice wrote:
>
>
>
> > In my expression: Z =3D Force * Sin (A) then it was unclear to me if A
> > in Sin (A) should be limited to -pi/2 to
> > pi/2 or can can it from to -pi to pi.
>
> OK. I can talk about what Ada provides, but I can't help you with domain =
questions.
>
> --
> Jeff Carter
> "We'll make Rock Ridge think it's a chicken
> that got caught in a tractor's nuts!"
> Blazing Saddles
> 87

It's ok. There's a good article on Arctan and Arctan2 at:

http://en.wikipedia.org/wiki/Atan2

After reading that article, I decided to use Arctan2. I don't really
know why Arctan exists in the first place :).

Cheers
YC