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Edexcel C3 June 2016 - Unofficial Mark Scheme Watch

1. (Original post by Aerosmith)
come on now, don't troll
i swer
2. (Original post by ridazdi)
Everything is fine apart for 5ii and 6b I don't understand how got those answers. But I'm not sure.

did you get tanx=3/4 for 5(i) or tanx=4/3?
3. (Original post by Aerosmith)
did you get tanx=3/4 for 5(i) or tanx=4/3?
what was question 5
4. (Original post by NVismvlol)
Agreed but no one will upload it this evening I don't think. KPrime will be uploading it tomorrow though. I suggest just avoiding this discussion until KPrime uploads his solutions.
5. (Original post by Aerosmith)
oh thank ****. thank you so much
Did that question state a range?
6. (Original post by callum9977)
Did that question state a range?
yeah pi/4 to pi/2 I believe. did you get tanx=3/4? (a troll answered and I don't know whether he/she is lying)
7. (Original post by Mattematics)
Brilliant

Think I got 73/75.
Lucky you
8. (Original post by Aerosmith;[url="tel:65983467")
65983467[/url]]did you get tanx=3/4 for 5(i) or tanx=4/3?
After differentiating by using the product rule and letting dydx equal zero I got 3cos4x=4sin4x and dividing both sides by cos4x I got 4tan4x=3 so tan4x=3/4 so I'm worried why everyone is saying just tanx=3/4?
9. (Original post by xdaryaxx)
What do u think the grade boundaries are
I reckon around 67 for an A*, compared to last years paper it was slightly easier, and last years was 65 for A*
10. (Original post by Aerosmith)
yeah pi/4 to pi/2 I believe. did you get tanx=3/4? (a troll answered and I don't know whether he/she is lying)
Yeah I got tan4x = 3/4
11. (Original post by ridazdi)
After differentiating by using the product rule and letting dydx equal zero I got 3cos4x=4sin4x and dividing both sides by cos4x I got 4tan4x=3 so tan4x=3/4 so I'm worried why everyone is saying just tanx=3/4?
I think we would've included the 4, don't worry ahaha. I couldn't fully remember the question - I think it was tan4x but the 3/4 is all I needed to know. thank god
12. (Original post by Angus09)
I got sin(-pi/3)-1 or something
13. (Original post by callum9977)
Yeah I got tan(3/4)
thank you cheers
14. (Original post by Aerosmith)
yeah pi/4 to pi/2 I believe. did you get tanx=3/4? (a troll answered and I don't know whether he/she is lying)
nah seriously its tan4X = 3/4
15. Grade Boundaries are likely to be a bit lower than last year, maybe 61-63 for an A*/ 57-58 for an A

Any less and you're scum .
16. (Original post by Mesosleepy)
nah seriously its tan4X = 3/4
What was the final answer? I've forgotten
17. (Original post by Mesosleepy)
nah seriously its tan4X = 3/4
I included the 4x dw, I couldn't remember the question fully. thanks, phew no stupid marks dropped there
18. when u apply for maths but dont do well in a level maths so nice
19. What was question 5!!!!!!!!!11
20. Does anyone have any idea of the what the grade boundaries could look like? mainly looking for 90 UMS

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Updated: November 8, 2016
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