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start\: with \frac{1}{n+1}\int_{0}^{pi/2}[(n+1)sin^{n}x.cos\, x]cos\, x\, dx\\then \frac{1}{n+1}\int_{0}^{pi/2}cos\, x\, d(sin^{n+1}x) \: then \: by\: parts wtf is this how do u get this to work?

Anyone played civilization wars?(on wc3 of course)

i'm gonna say 99+ because from those ranks it looks like ur coming about 6-8 in your year at a 40+ school, my school was ranked 70 and we got 19 99+'s thats with and without chemistry since top 10 units count, keep it if you need it for a uni course else drop it; sorry if i'm way off

<3 SDD major work

someone who was ranked in the the bottom class(200+) in year 7 jumped about 40 ranks a year and is now first(year 12)

600-700 words in 40 minutes for a pre prepared short story

i'm pretty sure it said differentiate, -2xe^(-x^2) is the derivative of e^(-x^2)

LOLOLOLOLOL my school was going all proud because 70% of our year last year got band 5's in english

ok i have no idea where to put this thread so i'll just put it here which pays more out of: Mechanical engineer, Mechatronic engineer, software programmer, physics researcher. and after a degree in one of these, which would be the easiest -> hardest in getting a job. i'd enjoy doing any of...

split it into S[sec(x)sec^2(x)dx] then S[sec(x)d(tan(x))] S[sec^3(x)]= sec(x)tan(x)-S[sec(x)tan^2(x)] ----------S[sec(x)tan^2(x)] = S(sec(x)*[sec^2(x)-1])=S(sec^3(x))-S[sec(x) = sec(x)tan(x) - S(sec^3(x)+S[sec(x)] take S[sec^3(x) to other side 2S[sec^3(x)] = sec(x)tan(x) +...

oh god... software design sux!!!

nah its luke if u know him, don't tell him or james i go on bos though, he'll know who i am and i'd rather that not happen

my friend, its more shocking how he copes with it rather than the combo though English adv maths ext1 maths ext 2 physics chemistry software design engineering studies cosmology 16 units....

ironically english ruined my love of books everytime i see a metaphor, simile, oxymoron etc i start the think about them and get sidetracted from the plot i don't like english and wish it wasn't compulsory but i can understand the reasons why it is compulsory

i got: English adv, mark: 17/30 rank:70/150 MX1, mark: 55/84 rank: 6/80 MX2, mark: 91/120 rank: 1/17 Physics, mark: 77/100 rank 6/53 Software, mark: 60.5/75 rank 2/12

i have 2 examples of this, one past hsc question: draw the magnetic field lines of a radial magnetic field. just about no one did it right so the markers gave marks to those who drew lines that crossed in the centre, which was bad for the smarter students who knew that magnetic field lines...

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a) Its momentum convserved but not its kinetic energy thats an inelastic collision, momentum is always conserved in elastic collisions both are conserved EDIT: didn't read the last part, its the whole system

x = infinity infinity + 4 = infinity infinity + 3 = infinity therefore: infinity + 4 = infinity + 3

A Glossary of Key Words (HSC) - Board of Studies NSW unfortunatly i have the same problem :confused: