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Calc help pt. II

  1. Jan 14, 2006 #1
    I need help in this problems. plz :eek:

    1. Integration of cos(lnx)

    2. Integration of (csc^4 x/2) (cot x)

    3. Integration of 2/Sqt. (4-x^2)

    4. lim (e^x^2)-1/(2x^2)
    x-)0

    5. Find the average value of x/(x+3) [-a,a]
     
  2. jcsd
  3. Jan 14, 2006 #2

    Pengwuino

    User Avatar
    Gold Member

    Well we'd like to see what your thoughts are on these problems. I can offer some hints.

    1) Use substitution
    2) I'm not exactly sure what the question is
    3) Use substitution
     
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