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  1. Nooblet94

    Complex Numbers

    You'll get it from school when we sign out.
  2. Nooblet94

    Maths Discussion Thread

    So is there a proof that's within range of the mx2 course? The proof I've seen used Taylor series, but I've only got a vague understanding of how they work.
  3. Nooblet94

    Music 1

    Loved the piece from drumline. I did a double-take when I read "contrast and unity" for q4, but it made sense once the piece was played.
  4. Nooblet94

    Is This Year's HSC Easy?

    ..wut. loool Amy McNeilage. Why? It's not like it affects you.
  5. Nooblet94

    Q11

    ...fuark. Didn't even consider that.
  6. Nooblet94

    Q14

    Depends on whether you converted the 360km/h to km/minute or converted the 5 minutes into hours.
  7. Nooblet94

    General Thoughts: Mathematics Ext 1

    100 + quite a good 4 unit mark.
  8. Nooblet94

    Question 14 Solutions

    What do you think 65 would align to? 95-96 or so?
  9. Nooblet94

    Is This Year's HSC Easy?

    This forum is a terrible representation.
  10. Nooblet94

    Q14

    My upper bound for the projectile question is incorrect.
  11. Nooblet94

    Q14

    alpha's a constant, so cos(alpha) is also a constant.
  12. Nooblet94

    Q13

    Just checked on wolframalpha and it's 22 something. Ugh.
  13. Nooblet94

    Q12

    That seems quite harsh. I'm not sure though. And yes, it should be equal to as well, just a typo. EDIT: Fuck, on second consideration, I might've just put > in the exam. :'(
  14. Nooblet94

    Q11

    Oh, well I put that down and then simplified. It was -12C3 2^3.
  15. Nooblet94

    Q14

    For b)iii) there's two possible intervals theta can lie in in order to satisfy the distance requirement, but only one satisfies the height.
  16. Nooblet94

    Q13

    Use the double angle formula to expand it and then draw up a right angled triangle with sides 2 and 3, find the 3rd side and use that to find sin(arccos(2/3))
  17. Nooblet94

    Q12

    For the parametrics you use Pythagoras' theorem to express y in terms of k and t, then it comes out from there.
  18. Nooblet94

    Q11

    \\($a$)&space;\frac{\pi}{12}\\&space;($b$)&space;2x\tan&space;x&plus;x^2$sec$^2x\\&space;($c$)&space;x<3&space;$&space;or&space;$&space;x>6\\&space;($d$)&space;\frac{4}{21}\\&space;($e$)&space;11760\\&space;($f$)i)&space;-1760\\&space;($f$)ii)&space;$n&space;must&space;be&space;a&space;multiple&s...
  19. Nooblet94

    Section I - Multiple Choice

    C A B C D A C D D B Mistakes?
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