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    May 2013
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  1. Fortunately for u, i think ur friends are wrong on this one. Sine is negative in the 4th quadrant. If u subtract (-sqrt3/2) from sqrt3/2 u get sqrt 3. Congrats
  2. Yea, sqrt((11t)2+(15t-15)2) gave the distance between the two ships. Last part about the captain's inability to see a ship over 8 km apart could be easily explained using the graph (minimum)
  3. Yea this year's paper 1 was easier than i thought... although i ended up spending 20 minutes on question10 T_T What really surprised me was paper 2 though. very little calc, a lot of probability and stats. TBH i found paper 2 easier than paper 1
  4. For the final area under the curve i got 2pi/3 + cubedroot(3). I checked it on the calculator when i got home and it matched with what I got on the paper 1. I don't remember exactly what question 10 demanded. Would it be possible for u to post what u remember of # 10
  5. 5π/6 wasn't given as far as i know, π/6 was. and the the points were limited to thoses between 0 and π. And i didn't bother integrating. I used the distance fuction which was already given to find out the distance .... ah how much i wish to take a look at that paper again....
  6. yea i think 2.22 was one of the answers, the question asked for the obtuse angle so.... hopefully i can get a 7...
  7. yes the second point was 5π/6. regarding the question about final area, was that the last question 10 D, which asked for the distance he traveled between the π/6 and 5π/6.
  8. My schools in Canada, so i guess that's time zone 1. I thought that Paper 1 was relatively straight forward, other than question 10 of course. That's the one about velocity and distance i believe? although I forgot to simplify my final answer I think I got it reasonably correct.
  9. The dreaded math sl exams are finally close to over. I have created this topic so that fellow ibers can discuss the questions on either one of these tests. REMEMBER: DISCUSSION IS NOT ALLOWED UNTIL 24HOURS HAVE PASSED
  10. If u have a fairly good command of mathematics, calculus shouldn't be too hard. Just do the worksheets assigned and try to understand the concepts.
  11. Electronic companies are definitely an oligopoly, entry barriers would be: technology, facilities (factory, etc), brand, etc. Bigger companies benefit from "increasing returns to scale" so it is tough for small companies to gain market share. Usually in an oligopoly price changes by one company are imitated by other companies, there can be numerous reasons behind price changes. In the pricing of their products elasticity of demand does matter, companies like apple have a rather inelastic demand curve, so they can increase prices with out losing profit, hence the high prices (at least they u
  12. Go to the Vancouver Campus. The main campus is in vancouver and this is where all the facilities are. Moreover, the okanagan campus only offers certain courses. If you wanted to change courses in your second year and if the campus does offer them you would have to come to Van anyways. Kelowna is a beautiful, warm, lake-side city. However, it's much smaller than Vancouver and choices are limited in terms of amenities. + just in case you didn't know okanagan campus is many hours away from vancouver (interior bc). Weather can be odd in vancouver sometimes but it is bearable. BTW don't buy
  13. I think you should mainly highlight two WoK in your presentation. As it can be seen from the sample topic it important to relatively broad. I think this is what they mean by "subject specific;" don't focus only on one WoK. I think you topic could be narrow in a sense that it is centered around how "profanities hinder the ability to use language." Remember, cussing and profanities are "emotionally ladened language." IMO you should also discuss how profanities are used to channel the negative emotion and the way it ruins the group dynamic; discuss the tight connection between emotion and lan
  14. indeed all the models are just okay, there's no perfect model. well yes you can choose to model power equation, with general form ax^b Yep, using the points will certainly give you what you need. And using technology technically means you can do so and leave out your own work, but solving analytically will certainly give you a boost--it gives you something to compare to, something to talk about, and shows a thorough understanding of how a model/parameters are obtained. It can only help to say "here is what I found, here is what the calculator says." So, I have the points, but I'm a bit pu
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