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Find the limit of trigonometric function

  1. Nov 11, 2009 #1
    hi there,
    just new to this form
     
  2. jcsd
  3. Nov 11, 2009 #2

    mathman

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    You seem to have left something out. What is the question?
     
  4. Nov 11, 2009 #3
    Hello theres,
    Thanks for the reply,
    I tried to copy the math equation on message board, but it didnt work, so sending as attachment, please help me to understand the concept & the way of solving calculas question,

    I appreciate your suport!

    Regards
    Mateen
     

    Attached Files:

  5. Nov 12, 2009 #4
    Looks an awful lot like homework to me. Even so, try to simplify your expressions. The question isn't actually asking about a trig function, seeing as there's no trig function there. Either something didn't show up or the question's trying to mislead you with its use of 'theta's. You can use long division of polynomials to simplify these expressions.
     
  6. Nov 12, 2009 #5

    mathman

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    For the first use the decomposition xn-1=(x-1)(xn-1+xn-2+...1) for both the numerator and denominator and cancel out the x-1 terms.

    For the second let x=2 for both definitions of f(x) and find k so that they are equal.
     
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