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# Current Year 13 Thread (2013/14) - Mark I Watch

1. (Original post by chelseafan)
Anyone here doing OCR A2 economics?
meeeeeeeeeee
2. (Original post by Robbie242)
Lol maths mock results I got
94% FP2
92% C3
70% D1
56% M2

not bad but M2 was a complete flop haha
Don't worry you have time to practice on m2 and to be hitting 90's before January is good
3. (Original post by Paparazzo)
I have decided that I don't want to leave school after all. To think that this time next year, I will be leaving away from home and away from everybody I've known for the past ~7 years is horrifying.

Why can't I be in Year 9 again?
I know how you feel, I've felt the sake way for months. It's a really scary thought.
4. (Original post by techno836)
I thought that but the answer is cos( pi - alpha)
If and , . Do you mean

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5. (Original post by Blueray2)
Don't worry you have time to practice on m2 and to be hitting 90's before January is good
Yeah, I realised my M2 mock mistakes were so stupid ahah, corrected them all in a run-through... nobody in my class got >70 for FP2 or C3 lool, these exams destroyed people apparently
6. (Original post by techno836)
what does unit 1 cover in WJEC ?

actually i have a quick question... if alpha = 2 + 5j ..... what is -2+5j realtive to alpha :/

I'm doing Modulus and principle argument form
Well if alpha is R(cosx + sinx), = 2+5j, then we're interested in changing the form to get the real part as negative and the imaginary part as positive. (i.e. we want R(-cosx + isinx))

The radius of both is equal so we don't need to worry about R.

Now consider basic trig (you may want to sketch sinx and cosx). Remember we want to keep Sin "the same" but change cos to -cos. You should know that sin(pi-x) = sin(x) (this can be seen by considering the symmetry of the sine graph about pi/2). You should also see that with cos, cos(x) = -cos(pi-x) and therefore -cos(x) = cos(pi-x). We notice that changing x to pi-x gives us the form we want.

So if 2+5j is R(Cosx + sinx) then -2+5j is R(cos(pi-x) + isin(pi-x)).

It may also be worth sketching this in the complex plane.

I'd go more into this if it wasn't almost 3am.
7. (Original post by Felix Felicis)
If and , . Do you mean

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The answer is definitely (Pi - alpha)

(Original post by Llewellyn)
Well if alpha is R(cosx + sinx), = 2+5j, then we're interested in changing the form to get the real part as negative and the imaginary part as positive. (i.e. we want R(-cosx + isinx))

The radius of both is equal so we don't need to worry about R.

Now consider basic trig (you may want to sketch sinx and cosx). Remember we want to keep Sin "the same" but change cos to -cos. You should know that sin(pi-x) = sin(x) (this can be seen by considering the symmetry of the sine graph about pi/2). You should also see that with cos, cos(x) = -cos(pi-x) and therefore -cos(x) = cos(pi-x). We notice that changing x to pi-x gives us the form we want.

So if 2+5j is R(Cosx + sinx) then -2+5j is R(cos(pi-x) + isin(pi-x)).

It may also be worth sketching this in the complex plane.

I'd go more into this if it wasn't almost 3am.
Ahhh thankyou! That makes sense now! I should be able to do the rest I think , thankyou :-)
8. (Original post by Robbie242)
Lol maths mock results I got
94% FP2
92% C3
70% D1
56% M2

not bad but M2 was a complete flop haha
Those are great, 92% in FP2 wow, I know that when I'm going to do my FP2 mock polar coordinates will be the death of me XD. Also don't sweat about D1 (Worst module ever).
9. I know it is early, but I think I have a realistic set of universities now. (If I stick with chem and year abroad)

Cambridge
Imperial
Nottingham
Bristol
Cardiff
10. (Original post by furryface12)
Thanks that's what I'd heard, but apparently some unis say on their websites to put it in personal statements which is where my parents got it from, so not sure what to do really
To be honest, even then I'd put it in the reference, as the unis will definitely see this. Also I'm quite surprised that they ask for it in the ps, Durham, for example ask for it specifically in the reference:

'Applicants who are applying to us and who have experienced mitigating circumstances during previous qualifications/examinations which they have been unable to report to examination boards should let us know this via their referee who should include in the reference...(goes on to give details)'

I think also putting it in the reference will allow more detail, rather than just 1 sentence or 2 which won't really convey the whole situation
11. Huff, I tried to stay away from TSR for a week...

I only managed 2 days before I requested for them to unban me.
12. (Original post by smile:D)
To be honest, even then I'd put it in the reference, as the unis will definitely see this. Also I'm quite surprised that they ask for it in the ps, Durham, for example ask for it specifically in the reference:

'Applicants who are applying to us and who have experienced mitigating circumstances during previous qualifications/examinations which they have been unable to report to examination boards should let us know this via their referee who should include in the reference...(goes on to give details)'

I think also putting it in the reference will allow more detail, rather than just 1 sentence or 2 which won't really convey the whole situation
Thanks- the school's being annoyingly unhelpful about the whole thing, but they have said they'll put a sentence about it in my reference now and I've put one at the end of my PS as well

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13. (Original post by usycool1)
Huff, I tried to stay away from TSR for a week...

I only managed 2 days before I requested for them to unban me.
At least you tried, that's more than I've ever done! And it's the holidays now so not quite as bad probably...

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14. (Original post by usycool1)
Huff, I tried to stay away from TSR for a week...

I only managed 2 days before I requested for them to unban me.
It's tough, isn't it? Even when I barely posted I was still really close to requesting to be unbanned.

Spoiler:
Show
I'll reply to your PM when I'm actually able to get into my inbox. The drop down menu at the top won't work.
15. (Original post by usycool1)
Huff, I tried to stay away from TSR for a week...

I only managed 2 days before I requested for them to unban me.
Haha lol, i think I could last all these holidays

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16. (Original post by L'Evil Fish)
I know it is early, but I think I have a realistic set of universities now. (If I stick with chem and year abroad)

Cambridge
Imperial
Nottingham
Bristol
Cardiff
Sounds good! What course(s) would you consider if you decide not to stick? Is that in order of preference too, or?

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17. (Original post by Lucy96)
Sounds good! What course(s) would you consider if you decide not to stick? Is that in order of preference too, or?

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A languages one

Yeah, that probably is in order of preference A*AA-BBB is the range too!
18. (Original post by L'Evil Fish)
A languages one

Yeah, that probably is in order of preference A*AA-BBB is the range too!
Ooh exciting would you not do a combined honours in chemistry and a language? My (ex) chemistry teacher did a degree in Chemistry and Spanish, she said doing chemistry in spanish was the hardest thing she's ever had to do she showed us her notes too, absolutely crazy

Wow, that's really good!

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19. (Original post by Lucy96)
Ooh exciting would you not do a combined honours in chemistry and a language? My (ex) chemistry teacher did a degree in Chemistry and Spanish, she said doing chemistry in spanish was the hardest thing she's ever had to do she showed us her notes too, absolutely crazy

Wow, that's really good!

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I feel that would water down the chemistry

Well if all goes well I might either do Chemistry in English while in China/Singapore or actually in a different language. It'll probably be Spanish if I'm honest! Or Italian

我学中文。 我要学化学在中国。
I think that says...
I study Chinese. I want to study chemistry in China.
20. (Original post by L'Evil Fish)
I feel that would water down the chemistry

Well if all goes well I might either do Chemistry in English while in China/Singapore or actually in a different language. It'll probably be Spanish if I'm honest! Or Italian

我学中文。 我要学化学在中国。
I think that says...
I study Chinese. I want to study chemistry in China.
Yeah fair enough

Won that'd be so cool

Very impressive such a confusing language! I could never learn it

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