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# Edexcel FP2 June 2015 - Official Thread watch

1. You should have shaded outside of circle not inside, it was only inside for Z. When transformed by T becomes outside of circle
2. (Original post by MentalMath)
You should have shaded outside of circle not inside, it was only inside for Z. When transformed by T becomes outside of circle
Don't think so mate
3. (Original post by AsianStandard)
yes the integral was sinx, where pretty much a lot of my friends and other people said they got stuck in integrating cos2xsinx, you would use the cos2x expansion integrating after should get you

y= cot (x) - (2/3) cos^2(x) cot (x) + Ccosec(x)
and with coefficient 3
4. (Original post by MentalMath)
You should have shaded outside of circle not inside, it was only inside for Z. When transformed by T becomes outside of circle
nope, see my working (I've posted it in this thread or the other one, idk)
5. (Original post by StarvingAutist)
nope, see my working (I've posted it in this thread or the other one, idk)
I did a past paper with a similar question and it was inside then became outside after transformation
6. (Original post by MentalMath)
I did a past paper with a similar question and it was inside then became outside after transformation
Yes, but you can't just assume that because it was so in past papers it is so in this one. I didn't assume anything; I worked it out.
7. (Original post by StarvingAutist)
Yes, but you can't just assume that because it was so in past papers it is so in this one. I didn't assume anything; I worked it out.
Yh, really well done
8. (Original post by StarvingAutist)
Yes, but you can't just assume that because it was so in past papers it is so in this one. I didn't assume anything; I worked it out.
Will I lose just 1 mark if my circle is drawn in the right place
9. (Original post by MentalMath)
Will I lose just 1 mark if my circle is drawn in the right place
Yeah probably.
10. (Original post by StarvingAutist)
Yeah probably.
11. (Original post by MentalMath)
lol
12. (Original post by StarvingAutist)
lol
Do you think you got fully marks
13. cos2xsinx = sin3x - sin x

And then I integrated that. Is that fine?
14. (Original post by MentalMath)
Do you think you got fully marks
I hope so! What do you think you got?
15. What do we think the grade boundaries will be roughly. I messed up so many easy questions worked out I got around 60/75
16. (Original post by StarvingAutist)
I hope so! What do you think you got?
Now that you exposed my mistake I think I got 74
17. (Original post by MentalMath)
Now that you exposed my mistake I think I got 74
Tragedy
18. please cast a vote in
http://www.thestudentroom.co.uk/show....php?t=3376607
19. (Original post by StarvingAutist)
I got inside.

Is anything there wrong?
Just realised but oh well I only lost like 1 mark
20. (Original post by MrBowcat)
What do we think the grade boundaries will be roughly. I messed up so many easy questions worked out I got around 60/75
I got a feeling that the boundaries will be very high ...

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