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  1. J

    results that need to be proven

    Hi everyone, so for extension 2maths, can people contribute a list of results that, although obvious, would require proof before being used in the exam? For example, I wonder if you can only apply the triangle inequality and Cauchy-schwarz vector version inequality after proving it somewhere...
  2. J

    Difference between two rubric statements here confusing very much

    What is the difference between how the "two texts collide, align or mirror each other in a certain aspect" versus how the "two texts explore common issues, etc"? Arent they just both synonymous versions of "What is similar and what is different between their presentation of ideas?"
  3. J

    Angle reflection identities

    could you elaborate on "angle sum identites". Did you mean compound angle formulas?
  4. J

    Angle reflection identities

    can I ask, if I got like say between 80 and 90 for the first extension 1 task, do I still have a chance to get 99+ atar?
  5. J

    Angle reflection identities

    Hi everyone, So for both extension 2 and 1, which of the identities in the Reflections, shifts, and periodicity category of the wikipedia page on "List of trigonometric identities" do I need to know? I somehow can't attach the link
  6. J

    Hello. Can I ask about credentials please? Also, what does "posting on someone's profile mean"...

    Hello. Can I ask about credentials please? Also, what does "posting on someone's profile mean"? Is that public because I do not want to share any information on a publicly viewable stage.
  7. J

    anyone can do extension 2 tutoring?

    is there anyone here who is really qualified for private tutoring extension 2 confidently and seriously?
  8. J

    Another English past comprehension paper (James ruse)

    Hi Everyone, Would someone please kindly supply some criticism for this following past paper? I did one for abbot sleigh recently and there was some constructive feedback for that one too if people want to check it out so maybe this thread might help as well.
  9. J

    vector question help!!

    is it possible to do this question without using cosine rule? using just pure vectors?
  10. J

    a difficult English advanced Past Paper Abbotsleigh

    okay so could you provide some constructive feedback
  11. J

    a difficult English advanced Past Paper Abbotsleigh

    so Hello Everyone, Abbotsleigh past papers are actually pretty full-on. Is there anybody here who has finished the HSC or can give good constructive advice on my responses to this Abbotsleigh paper I did? I would appreciate it very much, and I am sure many others will, indirectly, be extremely...
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