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MathGroup Archive 2001

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Re: Limit and Abs

  • To: mathgroup at smc.vnet.net
  • Subject: [mg31217] Re: Limit and Abs
  • From: "Oliver Friedrich" <oliver.friedrich at tz-mikroelektronik.de>
  • Date: Fri, 19 Oct 2001 03:12:08 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

"Oliver Friedrich" <oliver.friedrich at tz-mikroelektronik.de> schrieb im
Newsbeitrag news:9qjjho$j80$1 at smc.vnet.net...
> Hallo,
>
> if I evaluate
> Limit[Cot[a]/(Cot[a]+2),a->Infinity]
> i get the correct answer.
>
> But I want to evaluate
>
> Limit[Abs[Cot[a]]/(Abs[Cot[a]]+2),n->Infinity]

Sorry, that was nonsense. Cot[] and Tan[] are periodically, so they don't
have limits in Infinity.
What I meant are above expressions with a->0°. I checked this, and this
works in both cases (Limit is 1). The n in the second expressions is a
typing error, of course it should be a.

I promise this newsgroup to write a little bit more thoroughly in the future
;-)

Oliver Friedrich



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