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# OCR MEI C3 Maths June 2015 watch

1. (Original post by JamesExtra)
Sorry to burst your bubble but they won't be low. If anything they'll be high. It was easier than other papers as long as you knew integration and differentiation inside out
Most people in my (high achieving) school found this difficult . . . they include lots of kids with offers from Oxbridge etc . . . that's just my opinion anyway
2. Same here, which school?
3. (Original post by Danny2893)
I think most people would have preferred a different paper tbh
That honesty surprises me. I'm not that good, looking to get an A overall. Probably got a high C on mechanics. Generally feel like I get similar to the what your average guy gets.
4. Any ideas on grade boundaries?

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5. Made some silly mistakes like forgetting to change u back in terms of x for Q 2, but it was a good paper
6. Did anyone find it strange that question 7 was pretty much an exact copy of a question from a previous paper?
7. (Original post by Alludeen1)
Most people in my (high achieving) school found this difficult . . . they include lots of kids with offers from Oxbridge etc . . . that's just my opinion anyway
Which questions were so hard? They all felt doable apart from arcsinx=arccosx
8. wasn't even that hard a paper just ****ed so much up. reckon I'll get around 52 and I'm hoping my m1 and c4 (hopefully) will make it into an A
9. the first question was a b**ch

At one point I got 2cosx - sinx = 0...

No clue how to solve that!
I thought about using the double-angle-thingamajig-formula but that's C4

I did 2cox=sinx and then squared it and used sin^2x + cos^2x =1
10. (Original post by Lissy14)
the first question was a b**ch
At one point I got 2cosx - sinx = 0...
No clue how to solve that!
I thought about using the double-angle-thingamajig-formula but that's C4
Take the sinx to the other side, sinx/cosx=tanx so you get tanx=2
11. (Original post by JamesExtra)
Which questions were so hard? They all felt doable apart from arcsinx=arccosx
Funnily enough I could do that one ... I can't remember the exact questions but I thought it was generally harder with few straight-forward questions?
12. (Original post by JamesExtra)
Which questions were so hard? They all felt doable apart from arcsinx=arccosx
Mate it was so bull****, Section A was fine, but Section B........kill it with fire
13. (Original post by Lissy14)
the first question was a b**ch
At one point I got 2cosx - sinx = 0...
No clue how to solve that!
I thought about using the double-angle-thingamajig-formula but that's C4
2cosx=sinx
Tanx=2
X=arctan2
X=1.11
14. (Original post by JamesExtra)
Take the sinx to the other side, sinx/cosx=tanx so you get tanx=2
Oh cr**
15. Well that was a ***** for anyone who didn't like to integrate. Hoping this means less integration on C4
16. Is there a mark scheme with the marks attached to it and it quite nicely set out? im not sure if i got a B still ;/
17. Do we still get the mark for having a negative integral? I left mine negative and said the integral of g(x) would be -integral of f(x) since it's the same area below the x axis

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18. Will I lose a mark for saying 'x= (root2)/2' I didn't put +/- but it was only a two mark question
19. what was the formula of they function that we had to differentiate twice in q8? im sure it wasnt (x-2)2/2 as has been said earlier, although i could be wrong
20. Omg thanks for posting the questions looks like I'm on an A <3

Phew I thought most of my answers were wrong!

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