Re: TIB: Bad Graph...

To: ti-basic@lists.ticalc.org
Subject: Re: TIB: Bad Graph...
From: Tirla <tirla@dump.net>
Date: Thu, 10 Sep 1998 23:37:20 -0500 (EST)
Delivered-To: ti-basic-outgoing@towerguard.unix.edu.sollentuna.se
In-Reply-To: <199809101820.UAA15253@mail.span.ch>
Reply-To: ti-basic@lists.ticalc.org

On Thu, 10 Sep 1998, Brice-Olivier Demory wrote:

> I have: f(x) = sin^2 (x) - 2.sin x - 2
> How to enter it in my TI-85 ?
> When f(x) = 0, x must be around -.82 (i'm sure, I've calculated it)
> and the TI finds -.78... What's wrong ?

I entered y1=(sin x)^2-2.sinx-2 because sin^2 (x) causes an error on my
calc (syntax).  Anyway, once you graph it try EVAL, x=-.82.  (From the
graph screen/menu, MORE, MORE, F1).  My calc said that y=-.003134...

Hope that helps,
Tirla
tirla@dump.net
http://www.dump.net/~tirla/

References:

TIB: Bad Graph...

From: Brice-Olivier Demory <brice.demory@span.ch>

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