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-10

no, comp B and comp A is a mix up of your exam.. eg. when you have a test or assessment or what ever you want to call it, it must contain a mix of comp A and a mix of comp B... get it.

whats the excursion called, ill ask the class ( 4 people ) and the teacher. How much does it cost ??

3units my answer to that intgeral quesiton was correct. who cares if he put it back in terms of cos(x) i left it in terms of u with the limits.. it still makes my answer correct... next question.. i haven't done volumes, i just started it today, looks not bad xD post some more...

what mates, internet people dont count as freinds. ????:argue:

hmm try doing it your self, and get the solutions from there. ask your teacher to do the paper and hand it to you...

you just sub in x= pi/2 -x into x then prove its an odd function then its = 0 xD

those 1 and -1 are my limits tke of b from cos then use u=cosx then, change into tan^-1 intergal thing.. then simplify... soo whats the answer

ill post the final answer it goes something like this -root of b / b root of a tan^-1 u root of b / root of a } 1 and -1

the last intergal is something tan^-1 something something right ?? can you tell me if im on the right track.

tommy undalay did the same working out as me,, read my old post i hinted perpendicular distance.

does any one have some integration question, i just finished that chapter... can some one post some please....

welldone =) nicely done ronnknee and the other guy xD

tommy yeah you got the diagram right xD ill just read the other guys working out

tommy the x and y crap right. draw up a triangle with length 3 and 4 and the hyp 5.. you can assume its a rightangle triangle..

you could draw this up on an x and y plane. and then find the equation of the line with length 5 and then find the perpd distance between the line and point (0,0).. this is a year 10 question. answer will be posted on monday...

I dont know, how did you find pi, let see your working out ???

sketch this... |x+y|=2 hence x+y=2 and -x-y=2 therefore its two parallel lines with x int = 2 and -2 and y int with 2 and -2 welldone for those two guys that used their graphing program... Q:? A triangle has sides 3,4 & 5. A circle has been inscribed. Find the area of...

Hey guys can you do this please. A triangle has sides 3,4 & 5. A circle has been inscribed. Find the area of the circle. Thanks

Your one of the shit I spilled. sorry if i hurt your feelings, no harm done =)