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  1. Sanis

    Mathematics: Post your doubts here!

    cool now i got this part .. how do I calculate the radius?
  2. Sanis

    Mathematics: Post your doubts here!

    Thanks A lot man .. it helped(y)
  3. Sanis

    Mathematics: Post your doubts here!

    GUYS HELP ME IN NOVEMBER 2012 P6ii) how we got the centre point and then we moved along .. Thanks Further http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_w11_qp_33.pdf...
  4. Sanis

    Mathematics: Post your doubts here!

    any urgent helpers? :O http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_w11_qp_33.pdf http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Mathematics (9709)/9709_w11_ms_33.pdf I need help in q1, q6ii), q10i)...
  5. Sanis

    A2 Vectors Notes!

    actually yeah they really helped .. i used to skip the vector parts .. my book ddnt have sufficient information abt them .. but now i can easily score all marks .. yeah I printed it and memorized it .. THANKS A LOT MAN :*
  6. Sanis

    Mathematics: Post your doubts here!

    thanks alot :D u did help me
  7. Sanis

    Mathematics: Post your doubts here!

    thanks alot :D u did help me
  8. Sanis

    Mathematics: Post your doubts here!

    thanks alot :D u did help me
  9. Sanis

    Mathematics: Post your doubts here!

    help guys in solving this .. (2x-1)ln5=ln2 + xln3 .. i have difficulities in this sort of questions
  10. Sanis

    P3 Vector

    u will get s=3t+3 not s=t+3
  11. Sanis

    P3 Vector

    well u have a mistake in ur calculations .. u said s=-4-2t .. and for -1+s=2+t .. u ddnt substitute well for s here .. check it again ;)
  12. Sanis

    how was chemistry paper 51

    menchawwwi :D !!!
  13. Sanis

    how was chemistry paper 51

    i was short of time .. it took me a long time to understand the actual procedure of q1 .. after long reading i skipped to q2 ... i returned back to q1 .. and I didnt have to time to complete all the 8 marks , maybe i got less than half of them
  14. Sanis

    A2 Vectors Notes!

    thanks man .. I'm having real difficulties in them, I hope u helped .. God Bless You
  15. Sanis

    Mathematics: Post your doubts here!

    thx alot .. it really really helped me
  16. Sanis

    Mathematics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_s09_qp_3.pdf q7i) can some1 give me detailed procedure of how we can obtain roots of 1-3^o.5i and -1-3^05i
  17. Sanis

    Mathematics: Post your doubts here!

    I have a problem in the whole vector chapter for p3 .. does anybodyhave a link for notes I can use to understand a2 vectors? thanks
  18. Sanis

    Mathematics: Post your doubts here!

    well i found it 3sinxcosx=1 .. u gotta pretend that sinxcosx = half sin 2 theta .. since since sin 2 theta = 2sincosx .. so we actually get 1.5 sin 2x = 1 .. sin 2x = 2/3 .. then x= 20.90 degrees and it turns to be correct :D that if u took math a2 u will know this formula
  19. Sanis

    Mathematics: Post your doubts here!

    1.206 .. anyways nvm abt it im sure there is another solution for this .. thank you
  20. Sanis

    Mathematics: Post your doubts here!

    3tanx.(cos^2)x=1
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