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thanks.!

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can someone show me the steps to prove this- (sinx)(siny)/(1+cosx)(1+cosy)= tan(x/2).tan(y/2) thanks

i thought atar was like a percentile..so 99.95 atar means top 0.05% of the state isnt it??? so atar of 100 would mean top 0.00 % which doesnt make sense?? am i right???

sorry for the wrong section, but can anyone tell me the raw marks that can get u a state rank in phys, chem, 3u, 4u ?? thanks!

is it in syllabus?

i dont think it's in syllabus...but then again you might be asking just out of curiosity- in that case i dont know...sorry!

walk in a park for me!

such a simple method! thanks man....i was doing it by tilting the plane so that the line become ground but things got complicated!

can someone show me how to prove this question? thanks

far out aussies are so under performing!

And the answer is 1995840 !!!!! Thanks everyone!!!!!!!

But do u guys think that they will ask these difficult questions in the hsc?

can someone explain and show me the working out of this question? If the letters of the word GUMTREE and the letters of the word KOALA are combined and arranged into a single twelve-letter word, in how many of these arrangements do the letters of KOALA appear in their correct order, but not...

alrite...if you have seen 2011 cssa trial, do u think it is harder than hsc??

but people say u need around ~75-77???

hello people! i got 80/105 in my trials for english advanced....the test we got turned out to be 2011 cssa trial paper but i only came to know about it two days after i done the test...so what mark does this scale to in terms of hsc???