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ok by that i understood how we got 30g cos 15 . but still dont understand for sin

but that is opposite to 15 degree so it should be opposite

why is it 30g sin 30 , as per sohcahtoa sin 15 should be equal to 30g/hypotaneous . but here they seem to have done sin 15 = hypotaneous /30g

better can u solve part 2 step by step

i i am not asking how we did .. i am asking y did we do . wo step karne se kya milenga

for part (ii) i dont understand the M1 mark , i dont understand why did we do that step (18=-54/3+C)

hahahah no :p

this topic is removed , please check the syllabus before solving any paper before 2016 http://www.cie.org.uk/images/164502-2016-2018-syllabus.pdf

anyone having solved papers from 2002 to 2010 ? for pure maths 3 . if anyone have even one paper u can reply . if not that then any videos which is related to solving of pastpapers from 2002 - 2010

yaaaaaaaaaa!!!!!!!!!!!!!!!!!!!!:p:p:p:cry::cry::cry::cry::cry::p:p

Difference Between Hybrid and Purebred. Hybrid: Cross between two species.Hybrid Organisms are the offspring of two heterozygous parents. Purebred: Genes come from one gene of species. Purebred organisms are the offspring of two homozygous parents.

yea it is removed/ it is not there in 2017 http://www.cie.org.uk/images/164502-2016-2018-syllabus.pdf check out the new syllabus .

lol everyone died in these 3 months hhahaha am here

not for that , because y2- ion has charge 2- and so needs only one ca2+ . note - mg2+ was removed by precipitating so only ca2+ is left . :D

this is the paper which i gave exam of :P i have solved it i will post the reply in 5 min :)

read syllabus .. planning is a part of the paper

You should take a subject which you had taken in IGCSE , as you have learned the basics ,you will find it easier... If you have done biology in IGCSE then you should try that , you can go to this link if you want to try reading books of different subject or to see how easy do you find the...