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Help me solve this limit.

  1. Sep 9, 2010 #1
    1. The problem statement, all variables and given/known data
    [tex]\lim_{x \rightarrow \frac{\pi}{4}} \frac{\sqrt[3]{tgx} - 1}{2sin^2x-1}[/tex]

    2. Relevant equations

    3. The attempt at a solution
    I don't even know where to begin
  2. jcsd
  3. Sep 9, 2010 #2


    Staff: Mentor

    Does tgx mean tan(x)? If that's what is meant, tgx is very unclear.

    Assuming that tan(x) is what we're dealing with, the limit has the indeterminate form [0/0], so L'Hopital's Rule is applicable.
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