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Edexcel C3 June 2016 - Unofficial Mark Scheme

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Original post by Fmathslad
no as the range was pi/4 and pi/2 and this was the only value that fell inside this range.


it was -pi/4 to pi/2 wasn't it?
Original post by Ions888
Very difficult, can't remember how many marks though :frown:


i'm just gonna pretend i had no idea how to do it..eeuurr
How many marks was 3.c)??
Original post by jack_98
ah how do i get over this as i had plenty of time to do it fml!!! literally wanna kill myself


Oh **** sorry, I was thinking of question 9! I'm not sure how many 8 was :s-smilie:
Original post by mr.purplelambkin
2 marks. I remember adding it up as one of the questions I've potentially lost marks on.

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i didn't notice the sign change either...:frown:
Reply 145
Avatar for Em1248
Em1248
3
oops i drew arccos and not arcsin :/
please someone tell me how many ****ing marks was question 8b literally depressed atm
Original post by Christoph987
it was -pi/4 to pi/2 wasn't it?


dont think so..pretty sure it was pi/4 to pi/2
I gave R not as rt5 but as 2.24 will I still be ok for subsequent ! marks

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Original post by CervixPounder
Oh **** sorry, I was thinking of question 9! I'm not sure how many 8 was :s-smilie:


wow
Original post by Christoph987
it was -pi/4 to pi/2 wasn't it?

not they were both positive it was pi/4 and pi/2, make sure you read the questions properly as thats going to cost you 2 marks now :frown:
Original post by kprime2
tomorrow


will it have the marks for each question?
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


Thank you so much! I'm really pissed at the R sin question. Got the correct theta values but while I was checking I was convinced i went somewhere wrong and completely messed up my answer. Lost 5 marks for nothing!

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guys what's the number of samaritans.. help
Reply 154
Avatar for DORI
DORI
1
Original post by carrm123
Do you know how many marks 3c was worth? I didn't notice the sign change


2/3 marks. more like 2, but cant remember exctly
Marks for each one please
what are the marks for each questions?
Original post by jack_98
please someone tell me how many ****ing marks was question 8b literally depressed atm


5 marks.
Reply 158
Avatar for DORI
DORI
1
Original post by jack_98
please someone tell me how many ****ing marks was question 8b literally depressed atm


i believe it was something like 4 marks with part a being 5 i think
Original post by ToLiveInADream
Marks for each one please


do you know for 8b how many marks

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