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  1. Sajjad Hossain

    Mathematics: Post your doubts here!

    Guys please help Oct/Nov 2008 Paper 1 Q2 prove the identity sum1 please help fast its freaking me out :)
  2. Sajjad Hossain

    Mathematics: Post your doubts here!

    Both :'(
  3. Sajjad Hossain

    Mathematics: Post your doubts here!

    It wud be nice if u wud say which years question it is :) or just the question and what the answer is supposed to be :D
  4. Sajjad Hossain

    Mathematics: Post your doubts here!

    One more help please guys 9709 May/june 2009 P1 Q4 help please
  5. Sajjad Hossain

    Mathematics: Post your doubts here!

    In the first part of Q8 you found K = 5 or K = -7 so wat u have to do in 8)ii) is substitue the k values in the equation (36/2-x)-2k=x and get the answers. Ans is x=-4 x=8 :) In Q9)i) integrate -k/x^3 u will get y=k/x^2+c then they gave u the ponts (1,18) and (4,3) substitue this points in place...
  6. Sajjad Hossain

    Mathematics: Post your doubts here!

    I attached the question its from 2005 may june paper
  7. Sajjad Hossain

    Mathematics: Post your doubts here!

    I got a doubt can sum1 help me out its for 1 mark and i dont know how in the MS the answer is 90degree or 1/2pie A function g is defined by g : x → 3 − 2 sinx, for 0◦ ≤ x ≤ A◦, where A is a constant. (iii) State the largest value of A for which g has an inverse.
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