AQA Core 4 - Monday 10th June 2013 (AM) - Official Thread

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002
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#1
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#1
So with the January results just published, I thought that now was about the time to create a general revision thread leading up to this exam where we can all help each other out. Please feel free to discuss anything about AQA C4 here.

Good Luck with your revision!
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002
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Has anyone started C4 Revision yet?
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Sagacious
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Hmm, I'm resitting this exam. I need 80 UMS for the A*, so I'll probably just look over vectors in June. Hopefully the paper will be easier than that pile of **** we got given in January.
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SamrozTandel
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Hey I'm doing this exam in June too!
Any chance of getting the January 2013 paper?
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002
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(Original post by SamrozTandel)
Hey I'm doing this exam in June too! Any chance of getting the January 2013 paper?
Hi, I have a paper copy of the Jan 13 C4 paper. I will write up the questions on here Tommorow if a Mod approves of me doing so.
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SherlockHolmes
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(Original post by 002)
Hi, I have a paper copy of the Jan 13 C4 paper. I will write up the questions on here Tommorow if a Mod approves of me doing so.
Do you know if you are allowed to put the paper up yet?
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Leocon33
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Does anybody have the paper? If so, would it be possible for them to email it me if it's not too much trouble please? Thanks in advance
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The H
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Apparently the Jan 13 core 4 paper was the hardest? I will be doing it as a mock soon, hope the June one isn't as hard :/
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beautywithbrains
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I thought I would give a past paper a go but I can't even do the first question FML help anyone?!?


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beautywithbrains
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I will post the question again didn't realise how small it would be :/


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The H
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(Original post by beautywithbrains)
I will post the question again didn't realise how small it would be :/


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Rsin(x+a) is the same as Rsinxcosa + Rcosxsina right?
So make that equal 2sinx + 5cosx
you the the sinx cancel on one side and cosx on the other,
leaving you with Rcosa = 2, and Rsina = 5
Square both the equations then add them,
giving R^2(cos^2a) + R^2(sin^2a)= 4 + 25
Take R^2 factor out >> R^2(cos^2a + sin^2a) = 29
sin^2 + cos^2 = 1 right?
so R^2 = 29
R is the maximum value because you've stretched the curve in the y direction by R
so the maximum value is root29
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kiran95
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Can anyone help me with any of the questions from the january 2011 past paper please? I'm so stuck
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Sagacious
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(Original post by kiran95)
Can anyone help me with any of the questions from the january 2011 past paper please? I'm so stuck
I'd be happy to help.
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igloo1
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" find the general solution of the differential equation:
sec^2y/cos^2(2x) x dy/dx = 2"
Anyone help please? thanks!
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mmzz25
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(Original post by igloo1)
" find the general solution of the differential equation:
sec^2y/cos^2(2x) x dy/dx = 2"
Anyone help please? thanks!
Is that meant to be sec^2(y) or sec(2y)?
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Jake011268
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Does anyone have the Jan13 paper? If someone could email it me that'd be great
[email protected]
Only Need to get 82 UMS in this exam for the A*, but of course we all want that precious 100%
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002
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#17
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Bump
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pwnish3r
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#18
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could someone email the AqA C3/c4 January 2013 paper to me please :

[email protected]
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The H
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#19
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Hope the diff equations question isn't too hard
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GeneralOJB
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#20
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(Original post by The H)
Hope the diff equations question isn't too hard
It's never hard, they always have separable variables, so it's just integrating.
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