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# AQA A2 Mathematics MPC4 Core 4 - 9th June 2015 [Discussion & unofficial markscheme] watch

1. 0.2133 to 4dp or something like that (I can't remember fully) for the question where (81)-2/3 or something. Can't remember fully but just know my answer was something like this
2. (Original post by laurenn1995)
on the trig question r(cosx-angle) did anyone get r=root29 and angle +1.19??? Anyone?? Think that's what I put... And then x at max value 5.09 or something?
Yes.
3. (Original post by Rahulpopat)
Was lander for vectors question part 2 equal to 4 and then just sub in??
Thats what i got mate. I got my acute angle as 38.8 degrees not sure if thats right though.
4. I got everything you did there except that max value.

(Original post by laurenn1995)
on the trig question r(cosx-angle) did anyone get r=root29 and angle +1.19??? Anyone?? Think that's what I put... And then x at max value 5.09 or something?
5. My acute angle was 21.8 or something I think...eeek

(Original post by yung traplord)
Thats what i got mate. I got my acute angle as 38.8 degrees not sure if thats right though.
6. Did anyone get 7/4 for anything on the paper, I forgot what it was the answer to but I definatley put 7/4 for something
7. (Original post by yung traplord)
Thats what i got mate. I got my acute angle as 38.8 degrees not sure if thats right though.
The acute angle was 60 deg
8. (Original post by yung traplord)
Thats what i got mate. I got my acute angle as 38.8 degrees not sure if thats right though.
I got 60
9. (Original post by yung traplord)
Thats what i got mate. I got my acute angle as 38.8 degrees not sure if thats right though.
Got the acute angle to be 60 degrees.
10. What was the acute degree for vector part 1?? i got 60..
11. yesssssss 😊😊 I got something like that, might have had a 0 in like0.2301 or 0.2310 I can't really remember
(Original post by Hexaneandheels)
0.2133 to 4dp or something like that (I can't remember fully) for the question where (81)-2/3 or something. Can't remember fully but just know my answer was something like this
12. Ali Haider Shah enjoyed this paper. He goes to Monoux
13. (Original post by laurenn1995)
on the trig question r(cosx-angle) did anyone get r=root29 and angle +1.19??? Anyone?? Think that's what I put... And then x at max value 5.09 or something?
I got that!!
14. (Original post by Ual12)
What was the acute degree for vector part 1?? i got 60..

Me toooooo
15. Does anyone know how many marks question 8a was out of? I didn't realise you had to find the constant once you integrated so I just rearranged it to x=f(t) but left C in. How many marks do you reckon I'd lose if I did everything else correct? Thanks
16. (Original post by Ual12)
What was the acute degree for vector part 1?? i got 60..
I got 60
17. (Original post by laurenn1995)
on the trig question r(cosx-angle) did anyone get r=root29 and angle +1.19??? Anyone?? Think that's what I put... And then x at max value 5.09 or something?
Yep! I got that too!

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18. I got my acute angle as 60
(Original post by yung traplord)
Thats what i got mate. I got my acute angle as 38.8 degrees not sure if thats right though.
19. (Original post by vicki36)
Does anyone know how many marks question 8a was out of? I didn't realise you had to find the constant once you integrated so I just rearranged it to x=f(t) but left C in. How many marks do you reckon I'd lose if I did everything else correct? Thanks
that's 4/7 there was a question that was the exact same in a previous mark scheme and that gives you 4/7
20. For the differential equation what values did you have to substitute for x and t?

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