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# Edexcel C3 June 2016 - Unofficial Mark Scheme

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1. (Original post by jack_98)
please someone tell me how many ****ing marks was question 8b literally depressed atm
6 marks
2. can someone say spread of marks

and do you think there may be a mark for doing a arccos graph instead of arcsin graph? the Q was 2 marks and perhaps a mark is for the general shape
3. (Original post by bat_man)
5 marks.
****kkkk
4. (Original post by brandonmcb8)
6 marks
what you say 6 someonelse says 5 than someone says 4 r us sure
5. (Original post by jack_98)
****kkkk
i think its a psychological thing lol. Doing decent in PP's then worse on the day
6. I can't believe how **** I did in this 😭😭😭 there goes my A* and my chances of getting into uni
7. (Original post by veldt127)
If you want working, let me know the question and I'll give it a go; this is all I could remember.

Q1-4, 9 Working
please could you do all of them? : )
8. (Original post by bat_man)
i think its a psychological thing lol. Doing decent in PP's then worse on the day
what do you mean..
9. (Original post by jack_98)
what you say 6 someonelse says 5 than someone says 4 r us sure
is 8b. The question of the trig after the proof?... i think it may be 6 my bad.
10. (Original post by theereflex)
For 3(c), I don't understand why the lowest value of theta wasn't just 33 from part b?

anyone help?
They changed the equation, the positive went to a minus.
11. How many marks do question 1b 2b and 6b worth?

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12. (Original post by bat_man)
is 8b. The question of the trig after the proof?... i think it may be 6 my bad.
how do i stop from being depressed any advice like seriously
13. What is the mark of question 1A?
14. for 5a) i got 0.061 something which was out the boundary they asked but was a turning point,how many marks would i lose?
15. (Original post by jack_98)
what you say 6 someonelse says 5 than someone says 4 r us sure
8a was worth 4 i think and then 8b was 6
16. i know right
17. questions 8 was 5 marks for a and 6 marks for b deffo
question 9 was 2,2,4 deffo
18. am the person who missed out all of question 8 so I KNOW how many marks
19. (Original post by Dieselblue)
For 5i what did people do with the sin and cos?

Also part 2a is wrong, -4x^2-20=-4(x^2+5) so -4/x^2+5
It looks like everyone's agreeing with OP on that one. That was a cruel question though, it looked like it should have cancelled down. Like someone further up I redid the entire question assuming I had made a mistake. The bastards did that intentionally.
20. Ffs how many marks would I lose for getting a=-26.57 instead of +26.57. Then using the -26.57 for solving the equation?

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Updated: September 7, 2016
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