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... Guess I wasn't thinking today, wrote out the question above wrong, tomorrow got a major 2 hour exam on curve sketching and complex numbers..

1 - cos pi/7 + i sin pi/7 ___________________ 1 - cos pi/7 - i sin pi/7 How to simplify that? Whoops, wait, the whole thing is to the power of 7...

What are the complex number functions on my calculator useful for? So far I've just been converting everything... Anyway, any ideas how to know cos 5/12 pi is (root 3) - 1 /over/ 2(root 2). Are there also some tricks to working out those answers?

Show 3^a + 7^a is divisible by 10 for all odd integers of a...

Stay far far away from Fort Street, I was there since year 7 and there have been massive changes, there is new administration which don't even process applications on time, also we have been losing a LOT of their good teachers and all that is left are casual teachers and other teachers which...

I've been reading that you need to participate in a lot of extra-curricular activities in order to stand a chance of getting an offer... Well, sadly my school doesn't offer much non-academic extra-curricular activities other than the SRC. So I'm not 100% sure what to do, are there any ways to...