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Loss of significance

  1. Apr 27, 2009 #1
    1. The problem statement, all variables and given/known data

    Hey guys.

    Anyone knows how can I avoid loss of significance in this function?

    http://img402.imageshack.us/img402/4216/33365715.jpg [Broken]

    Thanks a lot.


    2. Relevant equations



    3. The attempt at a solution
     
    Last edited by a moderator: May 4, 2017
  2. jcsd
  3. Apr 27, 2009 #2

    HallsofIvy

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    Staff Emeritus
    Science Advisor

    Rewrite tan x in terms of sin x and cos x and combine the fractions.
     
  4. Apr 27, 2009 #3
    Well, I got this: tg(x) (cos(x) - 1).
    Is that good enough? how can I check it?

    Thanks a lot.
     
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