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    (Original post by TeeEm)
    factor formulae again but this time
    sinA + sinB = ...
    cosA + cosB = ...
    Yh I just looked at the question again and saw it, but you posted before I could say anything!

    One more question and I promise that that will be it, but with regards to the reduction formula what do you do with the x^2 to make it go away and split the bracket?
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    (Original post by Teddysmith123)
    Yh I just looked at the question again and saw it, but you posted before I could say anything!

    One more question and I promise that that will be it, but with regards to the reduction formula what do you do with the x^2 to make it go away and split the bracket?
    I wrote x2 as (x2 + 1) -1 then I split the fraction into 2
    the first section gives me after cancellation the In again.

    This trick causes problems (I remember myself when I was a student) but it comes in various contexts in this work.

    Once you have done it a few times with different "set ups" you begin to recognise it.
    My book on reduction formulae may have one or two questions on this theme
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    (Original post by TeeEm)
    I wrote x2 as (x2 + 1) -1 then I split the fraction into 2
    the first section gives me after cancellation the In again.

    This trick causes problems (I remember myself when I was a student) but it comes in various contexts in this work.

    Once you have done it a few times with different "set ups" you begin to recognise it.
    My book on reduction formulae may have one or two questions on this theme
    Could you possibly show me an example?
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    (Original post by Teddysmith123)
    Could you possibly show me an example?
    have a look at these 4 questions and try to follow the workings ...(hopefully when you are fresher)
    Attached Images
  1. File Type: pdf PDF.pdf (496.2 KB, 54 views)
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    (Original post by TeeEm)
    have a look at these 4 questions and try to follow the workings ...(hopefully when you are fresher)
    Thank you so much you don't know how much I appreciate all the help!

    I would rep you but apparently I've repped you already and can't until I rep some other members!
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    (Original post by Teddysmith123)
    Thank you so much you don't know how much I appreciate all the help!
    no worries
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    (Original post by TeeEm)
    that guy possibly could have done better, but maybe he did not prepare good enough.
    A 2 in STEP 1 is actually really good. It wouldn't quite get you into Cambridge of course, but it's really difficult to achieve a grade 2 in STEP.

    @bangla town
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    (Original post by Emmi12345)
    A 2 in STEP 1 is actually really good. It wouldn't quite get you into Cambridge of course, but it's really difficult to achieve a grade 2 in STEP.
    I am sure it is ...

    All I was saying is

    how can you get 600/600 in straight Maths, A* in Further and fail STEP?

    It can happen but what is more likely to have happened is the person underestimated STEP and did minimal preparation, like 1 or 2 weeks before the exam.
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    (Original post by Emmi12345)
    A 2 in STEP 1 is actually really good. It wouldn't quite get you into Cambridge of course, but it's really difficult to achieve a grade 2 in STEP.

    @bangla town
    Im sure it is very respectable

    He did have an offer for cambridge maths, but because of his step results, he didnt get in.

    He needed 1,1 in step 1 and 2, if i remember correctly
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    (Original post by TeeEm)
    I am sure it is ...

    All I was saying is

    how can you get 600/600 in straight Maths, A* in Further and fail STEP?

    It can happen but what is more likely to have happened is the person underestimated STEP and did minimal preparation, like 1 or 2 weeks before the exam.
    Ah I know... I was more trying to tell the other person, 'bangla town' or something, but it wouldn't let me tag them for some reason when I tried.
    And that's true but I personally believe you could revise for STEP all you like and still 'fail' if you just don't have the ability, whereas with A-levels you can revise everything from a textbook and get 600.
    Anyway that's just my personal take on it, others might have their own view and I respect that.
    But he didn't 'fail' - a 2 would get you into Warwick and a 3 is a pass!
    By the way, did you reveal your true identity? Or is it a secret?
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    (Original post by bangla town)
    Im sure it is very respectable

    He did have an offer for cambridge maths, but because of his step results, he didnt get in.

    He needed 1,1 in step 1 and 2, if i remember correctly
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    Most likely he will have needed 1, 1 in STEP 2 and 3, yes. I see! The Cambridge offer is tough though. I'm sure he was still really good at Maths!
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    (Original post by Emmi12345)
    Ah I know... I was more trying to tell the other person, 'bangla town' or something, but it wouldn't let me tag them for some reason when I tried.
    And that's true but I personally believe you could revise for STEP all you like and still 'fail' if you just don't have the ability, whereas with A-levels you can revise everything from a textbook and get 600.
    Anyway that's just my personal take on it, others might have their own view and I respect that.
    But he didn't 'fail' - a 2 would get you into Warwick and a 3 is a pass!
    By the way, did you reveal your true identity? Or is it a secret?
    I agree...

    (I am definitely one of the 7 pictures...)
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    Edexcel S2, Grade Boundaries

    Also when I was uploading undergrad material, I came across the "proofs" for the expectation and the variance of Poisson and Binomial Distribution (tough but not examinable at S2).
    It might be of use to somebody interested in this stuff.
    Attached Images
  2. File Type: pdf S2, EDEX , GRADE BOUNDARIES.pdf (14.1 KB, 58 views)
  3. File Type: pdf SERIES POISSON.pdf (210.2 KB, 45 views)
  4. File Type: pdf SERIES BINOMIAL.pdf (147.1 KB, 41 views)
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    (Original post by Fvthoms)
    How useful would you say it is to complete the mechanics A-Level syllabus if you are going into an engineering degree next year? Just been handed the Edexcel M1-5 textbooks, wondering if I should work on them over the summer.
    For mechanical engineering it will be very useful to have completed (even if an exam is not sat) FP1-FP3 and M1 to M6, if you can find an old M6 textbook.
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    (Original post by Andjffff)
    Well I'm doing

    C1-4
    M1-3
    D1 & FP1

    How is the transistion of M2 to M3? Does these modules suffice for Engineering courses?

    Thanks
    From M2 to M3 there is a biggish jump.(see attachment)
    One of my current student (Y13) did exactly the same modules except he did S1 instead of your D1. I advice him to cover FP2 and FP3 over the summer because he will find himself very "light".

    He rarely comes on line,his username is
    christoforoua
    send him a PM as he will give you his views from a student's point of view.

    all the best
    Attached Images
  5. File Type: pdf EDEXCEL A LEVEL UNITS.pdf (15.0 KB, 53 views)
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    (Original post by fatart123)
    Tried sending you a PM, but you have them off? Anyway...

    Hey,

    I think there's a small error in q239 in the trig book:


    With the 5 on the RHS of the = sign, I got a quadratic equation that was impossible to solve without a calc for sin^2(x) (formula gave it in terms of sqrt(41) etc). In your work, the 5 is on the LHS and works as it should.

    Thanks.
    I will correct itright now, many thanks.
    (It will be a few weeks however until I update my site)

    Sorry about the PMs ... I used to get too many ... So I use as an office this thread.
    (that is why I took this post here, so we do not litter the AEA thread)
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    (Original post by TeeEm)
    I will correct itright now, many thanks.
    (It will be a few weeks however until I update my site)

    Sorry about the PMs ... I used to get too many ... So I use as an office this thread.
    (that is why I took this post here, so we do not litter the AEA thread)
    Yeah, np.
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    Any strong further mathematicians out there?

    Try this integration (without clues) if you are hard enough...
    I will write and post solutions after my dinner (about 1 hour)
    Attached Images
  6. File Type: pdf Document1.pdf (9.2 KB, 67 views)
  7. File Type: pdf Document1 (solutions).pdf (437.1 KB, 53 views)
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    (Original post by TeeEm)
    Any strong further mathematicians out there?

    Try this integration (without clues) if you are hard enough...
    I will write and post solutions after my dinner (about 1 hour)
    Seen the sub straight away hehehe.


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    (Original post by physicsmaths)
    Seen the sub straight away hehehe.


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    all yours ...
 
 
 
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