Qualification > Math
Additional Math Help HERE ONLY...!
xlane:
could sum1 help me wid oct/nov 09 paper 2..or part (ii)...hw to find da E coordinates..
theaguia:
--- Quote from: xlane on June 09, 2010, 08:31:45 pm ---could sum1 help me wid oct/nov 09 paper 2..or part (ii)...hw to find da E coordinates..
--- End quote ---
can u post the question, i dont have the paper
xlane:
m really sorry.m usin a cellfone..so its not possible
syedz123:
--- Quote from: BlackBunny103 on June 09, 2010, 11:50:02 am ---I did variant 2. What topics came up in your variant 1 for paper 1?
--- End quote ---
ermm...sets,binomial theorems,indices(surds),functions,diferentiation,polynomial,findin a coordinate at a point of contact of the tangent,rate of change n small of change,i dnt rmmbr even d0in any integrating question..i think da onli one wuz da second one of da last q..i chose da first one which involved difrentiation
like i sed our variant 1 wasnt as tought altough i still made silly mistakes...bt i think our p2 will b harder bt da p2 of variant 2 will b as easy as our p1 to make it fair then...i advice doin da topics i stated above dat came in p1 v1 for us
jellybeans:
:o heyyyyyy, i've got a doubt :(
to find when the curve crosses the x axis, we sub in y = 0 right?
so 6 sin(3x + pi/4) = 0
sin(3x + pi/4) = 0
(3x + pi/4) = sin-1 0
(3x + pi/4) = 0
3x = -pi/4
x = -1/12pi
but why does the MS say sin-1 0 = PI? isnt it supposed to be 0?? ??? help please! thanks in advanceeeee.
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