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there are these half angels sin(x) = 2sinx/2cosx/2 cos(x) = cos^2(x/2)-sin^2(x/2) = 2cos^2(x/2) -1 tan(x) = 2tanx/2 / 1 - tan^2 x/2 these im postive and the other i posted is not in the syllabus

I use that form cis theta c= cos theta i = i s= sin theta theta=theta

ohh that lol.. hehe i thoguht u meant this cos2x lol this is 3unit xD this is what i thought sina+sinb= 2sin(a+b/2)cos(a-b/2) because they used it in the cambridge book to prove the gradient of a line in an ellipes... ahhaha.. sorry im gettin too old for this shit.

ohh that lol.. hehe i thoguht u meant this cos2x lol this is 3unit xD this is what i thought sina+sinb= 2sin(a+b/2)cos(a-b/2) because they used it in the cambridge book to prove the gradient of a line in an ellipes... ahhaha.. sorry im gettin too old for this shit.

lol all are easy for me, I'm a muslim. I know information of them because there is something called the Hadith. / This has all the information you need, i wish i could do SOR.. my school didn't offer it. Religion is easy, i learnt religion on my own. Mainly abrahamic religion. christains...

do drugs that guy is out of his freakin mind... do drugs and you will turn out like me =)

its not in the sylb ?????????

yeah thats what i want, i dont want any fast food shops, they piss me off. xD :ninja:

ok calagain ?? anything else you wana add !!

fair enough.... are you currently working ???

Cool website 2nd poster.. will look through them but is there any way to study for 4unit maths, because till now i dont know the proper way to study for it. the only thing i do is do question notthing else.

I already know what your saying. This skill the only way to improve it by doing variety of question. But thats nto studying... I learn the proofs, soo i dont need to memorise.. soo how can you really study for a 4unit exam or 3unit exam ???

how about " what ive done " by linkin park for the people going NOOOOOO

yes youth group.. naa screw the older version, he cant sing for shit.. i like the videos how they are all on their skateboards...

they pay you more... like com'on 11 bucks an hour, i got more.. even that other girl confirmed it.. macc's is alot better, but its such a shit job. it destroyes your social life, family life and your entire life...

wow i woudn't mind working at coles. You have alot of career opportunity. The pay for the love of GOD, how old are you ?? 11 bucks com'on.. not cool... i rather go back to mac's and still get paid more. wow never knew mac's are better paying then coles.

Forever young, by this guy which my mind escapes it.

aussie^^ where do you work ??? wtf 13.. I rather work as a rubbish cleaner they get paid more. Its true.

lol =) Well according to my experience, it changed from good looking to level of intelligence. Looks dont matter no more to me, but it woudn't hurt to find a good looking girl which is smart. These things are scarce.

Thanks, exactly what i was looking for =) the rest no wonder you fail your exam, because you dont know how to read the stupid question. geessshh.. too many ignorant people here xD:p