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  1. K

    Q13

    check it out above, i typed it into wolfram alpha and the answer came to 26.66666.. = 26 hrs 40 mins
  2. K

    Q13

  3. K

    Q13

    i got 26hours 40mins for 13dii. anyone ?
  4. K

    Q12

    what did you guys get for c
  5. K

    Q11

    what did you guys get for f (ii)
  7. K

    Q14

    yes, you have to consider the other interval of sin2(theta) so you end up with theta>50 and 67< theta < 75
  8. K

    Section I - Multiple Choice

    no, LlamaBoi is correct
  9. K

    Section I - Multiple Choice

    1 C 2 A 3 C (stupid) 4 C 5 D 6 A 7 C 8 D 9 D 10 B
  10. K

    General Thoughts: Mathematics Ext 2

    i found it alright. there was too much conics and geometry imo and nowhere near enough mechanics. volumes by far hardest question. multiple choice was good but theres nowhere near enough structure with this change to multiple choice. last question wasnt too bad but 15a was challenging. anyone...
  11. K

    cutoffs.

    can someone explain all the bands and shit. i dont understand it 100%. and also what last years cutoffs were?
  13. K

    General Thoughts: Mathematics

    nahh you had to start off saying that 0<Q<2pi and then sub in the value for Q that you found in part (i) and rearrange by splitting up the inequality and solving, then bringing it back together
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