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  1. Heresy

    3U Homework - Help!

    My interpretation is that it is saying in the middle
  2. Heresy

    3U Homework - Help!

    Hey guys, I need help with some Exam Revision - its really confusing... a) The point M(-3,8) divides the interval joining A(-4,-9) and B(5,9) externally in the ratio k:1. Find the value of k. b) Sydney Tower stands on a level ground, Three observers P,Q and R are observing Sydney tower...
  3. Heresy

    Past Paper Resources?

    Hi guys, I am well aware that Bored of Studies has Past Papers to choose from as well as THSC, however I was wondering if there was any other websites that offer them. As I know there are thousands of past papers online, since this is Preliminary I feel as though I need to get into the habit of...
  4. Heresy

    Trig Proof - Help Please

    Thank you so much!
  5. Heresy

    Trig Proof - Help Please

    Question: Given that 0 < x < Pi/4, prove that tan(Pi/4 + x) = cosx + sinx/cosx - sinx I got this problem for homework on the leadup to an exam coming up in 3 weeks - someone help please? P.S. Im sorry that I don't know how type Pi....:spin:
  6. Heresy

    Need Help with 3D Trig - Please Help!

    Oh trust me I am going to
  7. Heresy

    Need Help with 3D Trig - Please Help!

    Oh wow... Thanks. For some reason I was told to use those haha
  8. Heresy

    Need Help with 3D Trig - Please Help!

    Just need help solving Questions 3 and 4, as I didn't learn how to utilise the sine and cosine rules in Year 10... If anyone can help me with these that would be awesome - Thank you for you time! PS - This is a worksheet - not an assignment
  9. Heresy

    Inquiry about Coroneos and Pheonix Textbooks.

    Thanks for your response! I really just want to do more problems, so I can earn better marks than everyone else. My teacher is okay I guess, but I may invest in a Coroneus Textbook anyways.
  10. Heresy

    3U Past Papers Involving Permutations and Combinations and Polynomials?

    Thanks. Yeah I thought that was the case...
  11. Heresy

    3U Past Papers Involving Permutations and Combinations and Polynomials?

    I've looked on the resources for 3U on this site and there is nothing... I've tried THSC - nothing again... and I've even tried other websites...:spin::spin::spin: If anyone has a past paper involviong Perms and Coms and/or Polynomials please link it or PM me. I have an exam in 2 weeks so I...
  12. Heresy

    Tricky Circular Arrangement Question (Permutations and Combinations)

    Thank you so much!!!! You're a legend!
  13. Heresy

    Tricky Circular Arrangement Question (Permutations and Combinations)

    Thank you very much! We haven't covered Combinations yet so that is most likely why I had trouble with it...
  14. Heresy

    Tricky Circular Arrangement Question (Permutations and Combinations)

    So I have come across a question from Cambridge which is (unsuprisingly) difficult. If you can help me solve the problem (as I have no clue how to do it) that would be much appreciated. The question is as follows: "There are two distinct round tables, each with five seats. In how many ways...
  15. Heresy

    Inquiry about Coroneos and Pheonix Textbooks.

    The Coroneos 3U Textbook is old, but is it still applicable to today's Extension Course? And is the Coroneos Textbook worth buying? Is the Pheonix 3U Textbook a combination of past papers or is it like a regular math textbook? If these questions could be answered, that would really help -...
  16. Heresy

    Should I pick 4U Maths?

    Understood lol.
  17. Heresy

    Should I pick 4U Maths?

    Yeah I thought that was the case. So that means i will have to drop 2 of my subjects? Oh well...
  18. Heresy

    Should I pick 4U Maths?

    I've heard around that only your best 2 Units of Maths count towards your ATAR... With that being said, is this false? Because last time I checked when you pick 4U maths your 3U Maths course jumps to 2 Units, and the 4U Course is also worth 2 Units - So is picking 4U Maths more or less redundant...
  19. Heresy

    3 Unit Maths Resources?

    Yeah I dont know why - it seems like more of a way to keep me at a level playing field with the rest of the class. The Accelerated Book was handed down to me lol.
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