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Ok how are we supposed to know how to do stuff with matrices when we don't learn them in maths until week 6 or so? The lecturer goes on about all this stuff I have no idea about, and we have a quiz on it in weeks 4 and 5. Anyone else have the same problem?

Ok with my Student/Concession card, does it really matter that I didn't sign mine? As I don't photograph well the person was to busy laughing to remember to get me to sign it before she laminated it, which I didn't realise until I got home. So just wondering?

Well I'm thinking of doing a combined degree at Usyd with Mechatronics or Civil as the engineering side and science as the other. I only just found out about these combined degrees today and was intrigued by the extra opportuniy the extra science course could offer job-wise. So, my questions...

Ok there's been a little talk about the 2 and their scaling. I just went to SAM and entered my results, keeping everything the same but changed my mark of 80 in standard to 80 in advanced. The funny thing is, with standard my UAI is 92.8 but with advanced it's 91.7. What's the deal with that...

Ok; Let f(x) = sin^-1x + cos^-1x, 0<=x<=1 a) Find f'(x) - (I can do this but I think the answer to this is used in part b) b) Find the integral of f(x) from 0 to 1. Find the range of f(x) = sin^-1 [2x(1-2x)], with domain 0<=x<=1 That's all I have at the moment. Thanks in advance for...

How would you integrate cosx.sin^2x? I've tried all the expansions I know but I end up with a cos^3x and other things that do not work.