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C3 and C4 "Expected Knowledge" - Helpful for all 2016 candidates! Watch

    • Thread Starter
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    Hey,

    I haven't done the notorious June 2013 paper (64 for 100UMS), but from what I know it requires some expected knowledge.

    Things like Cos(x) = Sin(90-x) aren't specifically mentioned in the edexcel text book - you should just 'know it'

    Is there anyone out there that can pour some knowledge on all or atleast some of the things we are just 'expected to know'.

    PS. pre-requisite knowledge from C1,2 is fine, I am talking some useful GCSE stuff and some just 'good to know' stuff as I made an example of above.

    Thanks in advance and I hope this helps everyone out
    • Welcome Squad
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    Welcome Squad
    Man, that clickbait title....

    Anyway, try these:

    C3 cheat sheet

    C4 cheat sheet
    • Thread Starter
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    (Original post by RizK)
    Man, that clickbait title....

    Anyway, try these:

    C3 cheat sheet

    C4 cheat sheet
    Sorry dude ^^ I was hoping the replies were what would help people - genuinely! Thanks for the links
    • Thread Starter
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    bump
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     \cos(x) = \sin(\frac{\pi}{2}-x)
     \sin(x) = \cos(\frac{\pi}{2}-x)
     \tan(x) = \cot(\frac{\pi}{2}-x)
     \cot(x) = \tan(\frac{\pi}{2}-x)

    Although the last two are less likely to come up. These are just simple transformations of the graphs.

    Also, be mindful of just looking for the obvious. In C1 a lot of people didn't even think of Similar Triangles for one of the questions when it was the main (and easiest) method of doing the question.
    • Very Important Poster
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    Very Important Poster
    If you're ever stuck, look at the formula booklet. Moreso in C4 than C3 - something from C3 might help you with C4.
    • Thread Starter
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    Thanks to both of you ^ I will be sure to keep that in mind and remember those formulae
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    What exam board is this for? (Specifically that June 2013 paper)
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    (Original post by vectorpi)
    What exam board is this for? (Specifically that June 2013 paper)
    Edexcel
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    (Original post by PISA)
    Edexcel
    Cool, I'll have a look now. Thanks!!!
 
 
 
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