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  1. omgmynameislong

    Band 6

    no u noobs, asian 5 is dance va dt esl and chinese
  2. omgmynameislong

    4 Unit Revising Marathon HSC '10

    a(1+2i)+b(1+i)=(1+i)(1+2i) a+b+i(2a+b)=-1+3i a+b=-1 2a+b=3 a=4 b=-5
  3. omgmynameislong

    I fail @ life, LOL

    adopt jewish parents, theyre good with numbers
  4. omgmynameislong

    quadratic function help

    that or differentiate and find minimum tp.
  5. omgmynameislong

    Quadratic FUnction Help

    b^2 - 4ac=0 k^2 - 4(3-k)=0 k^2+4k-12=0 (k+6)(k-2)=0 k=2,-6
  6. omgmynameislong

    HSC Tips - Complex Numbers

    my one is shift and + or - button. cant remember.
  7. omgmynameislong

    no idea.

    no idea.
  8. omgmynameislong

    4 Unit Revising Marathon HSC '10

    in terms of tanx? (sinx+icosx)^3 = (sinx)^3 + i3(sinx)^2cosx - 3sinx(cosx)^2 - i(cosx)^3 equating real and imaginary parts sin3x= (sinx)^3 - 3sinx (cosx)^2 cos3x= 3(sinx)^2cosx - (cosx)^3 tan3x = [(sinx)^3 - 3sinx(cosx)^2]/[3(sinx)^2cosx - (cosx)^3] divide by (cosx)^3 tan3x= [(tanx)^3 -...
  9. omgmynameislong

    4 Unit Revising Marathon HSC '10

    sin+icos not cos+isin (sinpi/3 + icos pi/3)^8 =(cos pi/6 + isin pi/6)^8 =cis -4pi/6 cbf a+ib
  10. omgmynameislong

    Did anybody else's school make the worng decision about the trials?

    We have assessments t2 wk8 then trials t3 wk2 lol. Theyre so close together -_-.
  11. omgmynameislong

    intergration by parts?

    Got -x^2cosx+2xsinx -2cosx cbf subbing limits in.
  12. omgmynameislong

    fun and not so fun subjects

    not fun - english fffffuuuu
  13. omgmynameislong

    Attention all Year 10ers

    Why does this sub forum even exist.
  14. omgmynameislong

    Thoughts on the Half Yearly Exams

    LOL wiki James Ruse and it says the median ATAR is 99.2 or 99.6 >_>. shit bricks but the its wikipedia...
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