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Usually Wentworth lvl 4.

Nope, I've cut all experimental sciences. I'm just doing maths and stats.

I think in some circumstances, it is possible to transfer in year 12, as I think it was the case for someone who had to move to Sydney for sport commitments.

We best ignore him.

Oh, you can do differentiation and integration using i. It's just a constant. But be careful if you are dealing with functions of complex variables, but you won't need to worry about that yet.

I'm not sure if you would be able to if you didn't take the selective test last year, however there might be ways. You'd have to ask, I don't actually know. It may be possible.

I'm getting that weird error too.

You probably won't get to that until first or second year uni, when you study analysis. Pretty much the only series studied in detail for the HSC are geometric and arithmetic series.

Ok, take it outside ladies...

You should stick with the ^ symbol for raising to the power of, since that is the convention for most places.

Yes, radians.

If ksinΘ=10 and kcosΘ=5, then k^2sin^2Θ=100 and k^2cos^2Θ=25 k^2sin^2Θ + k^2cos^2Θ=100 + 25 = 125 k^2(sin^2Θ + cos^2Θ) = k^2 = 125 k = 5sqrt5

And a lot of functions you end up with by using the formula can't really be integrated using 4unit techniques.

"Remember prob= number of favorable outcomes/ number of possible outcomes" only if all outcomes are of equal probability. And also, the choice of the door the host opens is not random, he knows which doors do or do not contain the car, so he would open an empty one.

Am I insane then?

The question was about 'absolutely necessary' not useful :P. But yes they are useful.

And even so, some lectures place the notes online anyway.

Um, depends, they're usually at either the Co-op bookshop or at Kopystop at Broadway. Whether it's absolutelye necessary is up to you.

Assuming it's continuous, that is.

For maths lecture notes, say 8-15.