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  1. C

    Cot22.5 into the exact value

    Here's my working: http://m.imgur.com/L94WQzc
  2. C

    Permutations question

    Yeah, he is saying instead of 4x4!x3! the answer is 5x4!x3! which is equal to 5!3!
  3. C

    Nintendo 3DS vs 2DS

    I'm not too hyped about the Zygarde forms either, as you said they look like digimon lol. The moment I saw the perfect form I was thinking of transformers. I think they could make a cool storyline, X and Y's story wasn't the best. And as you said Zygarde wasn't spoken about at all, you just...
  4. C

    Nintendo 3DS vs 2DS

    Yeah I decided to go on serebii yesterday hoping for new news and the BAM ZYGARDE IS NOW A TRANSFORMER! Zygarde can turn into a dog and a decepticon now, and Greninja has a costume that looks like Ash. I really need more information because I just have no idea what to make of this. But the next...
  5. C

    Help with a coordinate geometry question.

    Yeah, and to get the other two you make the centre (-r,r) and (r,-r). Here's my working: m.imgur.com/jKM4MDC sorry for the bad quality. Edit: I'll just explain why the two other centres are (-r,r) and (r,-r). Though the line x+y-2=0 only passes through the 1st, 2nd and 4th quadrants, then the...
  7. C

    Superannuation Question

    http://youtu.be/e4PTvXtz4GM
  8. C

    Geometry Question

    Lol, I'm grateful then that my teacher reminded us of it again this year, I don't even remember doing anything about that in year 9.
  9. C

    Need help with year 12 subject selections!!!!!!

    Yeah you did ok, could've done better if you ask me :)
  10. C

    Tricky probability question

    Well Braintic and Integrand said 4/9 and that's the only logical answer to me.
  11. C

    Prelim 2015 Chit Chat Thread

    Both of my maths exams are next week :(
  13. C

    Hours spent studying Maths Extension 2

    Yeah, but generally by year 12, if you're doing 4 Unit you should know everything in year 9, or at least 99% of it.
  14. C

    Prelim 2015 Chit Chat Thread

    Yeah, I've started year 12 maths. I'll do this next year as well for other subjects.
  15. C

    2015ers Chit-Chat Thread

    I would be if I were in year 12.
  16. C

    Difference between Mathematics and Ext 1 Maths? Help!

    If you don't have too many units, I'd say go for it and drop it if it is too hard or the workload is too great. You can drop it if it's too hard but you can't pick up ext 1 if 2U is too easy.
  17. C

    Shorter solution to this trig question?

    Well I get all of it so Ext 1 students definitely learnt all of that, and I don't think that any of that is extension stuff.
  19. C

    Shorter solution to this trig question?

    Hey, I did a question and I ended up taking a whole page of working out, and I'm guessing I did it the complicated way. I'll post my working and the question, any shorter methods would be appreciated, thanks! http://imgur.com/3W1niXM http://imgur.com/85sr1Z4
  20. C

    Nintendo 3DS vs 2DS

    Wow, a country without Pokemon. I can't even imagine that, lol.
  21. C

    Prelim 2015 Chit Chat Thread

    Of course not.
  22. C

    Differentiating theta and Pi

    Yeah but would you ever get an equation where pi is the variable? Likewise with e. It's pretty much a certainty that pi will never be treated as a variable.
  23. C

    Nintendo 3DS vs 2DS

    Yeah, Splatoon is really good and Mario Maker is coming out soon. My Wii U is also collecting dust too, can't wait for holidays.
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