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# Official Edexcel C3 Discussion Thread watch

1. (Original post by indie_couture)
if i go through all the past papers, solomon and practice papers for trig, do you think i will be able to do the one in the exam?

i am so bad at it xxx
You could do all the trig questions you like but wait until you see the exam and there's only like two questions worth a total of 8 marks for 'em.
All that time revising....

Anyhow Good Luck, I'm doing it aswell.
2. sorry but also how do you get from this:

To this:

3. (Original post by I Have No Imagination)
C3 is depressing me I cannot afford to fail it. :'(
Sorry felt like replying to you because you reach "1234" posts!
4. Things that I find easier

Trig fuctions,
Diff,
Composit fuctions, fg(x), not the graph part :P
finding the root of an question using the x0 stuff XD

Stuff i auctaly hate
GRAPHS!!! ffs they need to die :')
5. hey guys. i just woke up. wooo. i feel great.... i lost time....noooooooo
6. y = x^2+3e^x^2
Find the range?
plz :P
7. (Original post by Bronze92)
y = x^2+3e^x^2
Find the range?
plz :P
Not sure if im right but after looking at it for a little whiel since all of the terms are X^2 the minimum occurs when x=0 and then after that it just increases. When x=0 y= 3

So the range is X bigger than or the same as 3?
8. Just want to wish everyone the best of luck for tomorrow. There are these videos a guy makes on youtube which might be a good way to spend the final night before the exam, check them out: http://www.youtube.com/user/ExamSolutions (he does all the modules, so just search for the C3 ones) (:

(Original post by Get Cape.Wear Cape.Fly.)
Try not to do TOO much the night before
Cape! It has been far, far too long since we've spoken. Though in honesty I don't blame you for leaving TSR for a bit.
9. (Original post by Bronze92)
y = x^2+3e^x^2
Find the range?
plz :P
10. Which was the hardest paper on C3 (excluding Solomon Papers) ?
11. (Original post by kylesawhney)
So slightly off-topic.. did everyone get the offers they want
No. I got bummed over hard.

Looking forward to C3. Been getting around high 80's low 90's in all the papers I have been doing. Hopefully it is a fairly simple paper with not much of arcsin etc, missed the lesson on those and never caught up...
12. can't I just NOT GO TO THE TEST TMRW everyone is talking about how hard it's gonna be due to the introduction of the @@@@@@ A* I was aiming for one, now,, i can't find a chance
13. (Original post by churcher)
sorry but also how do you get from this:

To this:

basically, differentiate siny (which will give you cosy)
so, now, you will have dx/dy
in order for it to be dy/dx, you have to do 1/cosy (and then proceed as I explained earlier)
What Pheylan's done is slightly different, but has the same concept (I think that's where the dy/dx=1/dx/dy comes from).
14. What are the Solomon papers people keep talking about? (Please quote me, the rate this thread's going I'll never find out otherwise!)
15. (Original post by [email protected]@y)
Which was the hardest paper on C3 (excluding Solomon Papers) ?
normal people found the June 06 hard, the Jan 07 question 8 was hard.
16. (Original post by Topaz_eyes)
What are the Solomon papers people keep talking about? (Please quote me, the rate this thread's going I'll never find out otherwise!)
Solomon papers are papers written by solomon press. They're harder than the actual papers and range from A-L (in increasing difficulty). You can get them from Here
17. C3 June 2005 61 53 46 39 32
January 2006 61 53 46 39 32
June 2006 56 49 43 37 31
January 2007 58 50 42 34 27
June 2007 59 52 45 39 33
January 2008 64 56 49 42 35
June 2008 64 57 50 43 37
January 2009 60 52 44 36 29
June 2009 67 59 52 45 38

A/B/C/D/E

Should show which was found the hardest
18. (Original post by kylesawhney)
Well done

Thanks sooo nervous about making the grades though
hehe, Thank you!

I'm sure you'll make them - they wouldn't have chosen you otherwise (they weren't exactly nice this year.)

(Original post by Doughboy)
1910. TOTALLY messed up CR. I actually have to retake the SAT this Saturday... I'm so scared ;_; I don't think my vocab and critical reading skills improved
1910's still pretty good, 1st time round! I hated CR... with the amount of maths you've been doing, you might be able to get an 800 on the maths section and then not have to do superbly on the CR section. Do the practice questions on the collegeboard website. And do the Question of the Day (it helps a lot more than memorising words).
19. (Original post by sb1234)
C3 June 2005 61 53 46 39 32
January 2006 61 53 46 39 32
June 2006 56 49 43 37 31
January 2007 58 50 42 34 27
June 2007 59 52 45 39 33
January 2008 64 56 49 42 35
June 2008 64 57 50 43 37
January 2009 60 52 44 36 29
June 2009 67 59 52 45 38

A/B/C/D/E

Should show which was found the hardest
according to that, Jun 06 was!
20. (Original post by unamed)
basically, differentiate siny (which will give you cosy)
so, now, you will have dx/dy
in order for it to be dy/dx, you have to do 1/cosy (and then proceed as I explained earlier)
What Pheylan's done is slightly different, but has the same concept (I think that's where the dy/dx=1/dx/dy comes from).
oh brilliant, thanks very much for your help.

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