Re: My TI-85 drives me crazy.... a little bit

To: CALC-TI@LISTS.PPP.TI.COM
Subject: Re: My TI-85 drives me crazy.... a little bit
From: Steve Parkis <SPAMTHIS@EARTHLINK.NET>
Date: Tue, 19 May 1998 21:10:16 GMT
Distribution: world
Organization: EarthLink Network, Inc.
References: <6jn70g$gc9$1@news00.btx.dtag.de>
Reply-To: Steve Parkis <SPAMTHIS@EARTHLINK.NET>
Xref: paladin.american.edu bit.listserv.calc-ti:23023

It's you.  At -pi/2 and pi/2 cos(x) is zero, hence the expression
approaches -infinity and +infinity which are its extrema.

In article <6jn70g$gc9$1@news00.btx.dtag.de>,
   siawn.hy@t-online.de (Michael Kdhler) wrote:
>Hello,
>
>I have this function: e^x/cos(x)
>
>Now I want to get the extremes. The TI-85 says, that are -pi/2 and pi/2.
>If I calculate this by myself, I get -5/4pi; -pi/4, 3/4pi. Some pc
>programmes are on my side, also.
>What is wrong. Does the TI-85 have a malfunction or is it me?
>
>
>
>Bye                Michael
>
>
>
>
>
>

References:

My TI-85 drives me crazy.... a little bit

From: Michael Kdhler <siawn.hy@T-ONLINE.DE>

Prev: Re: HHHHHEEEEEEEEELLLLLPPPPPPPP!!!!!!!!!!!!
Next: Re: HHHHHEEEEEEEEELLLLLPPPPPPPP!!!!!!!!!!!!
Index(es):
- Main
- Thread