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# Edexcel Core 3 - 21st June 2016 AM watch

1. For the trig identity question part b, did you have to rearrange for a tan quadratic and then use the quadratic formula to get the solutions for tans?
2. Do you need 80% across AS and A2 to get an A?
I got 78% in AS overall

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3. (Original post by nichola_vo)
Is it possible for you to send me a copy too? Please
4. Bonus question: Who wants to calculate the milligrams of blood I've lost after that death.

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5. (Original post by Ainsleyy)
Oh man oh man question 9 was hard at the end. Out of the last 6 marks theres no way I got more than 2. Otherwise this paper wasnt insane but it was hard and I did find I was super short on time which I never normally am anyone else?
Yup i agree normally i'd get a paper done with 1hr or 1hr 10 this took the full 90minutes
6. test was easy tbh
7. (Original post by exclamationmark)
Where did -5 and 6 come from?
First question

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8. no

(Original post by lfcrules)
Do you think full marks will still be given to 0.5 ln 6.75?
9. (Original post by BSLMaths)
We were working out the x value and the x value had to be between pi/4 and pi/2 :/
ah that does make more sense I guess, because all the solutions would be in the range -pi/4 to pi/2 wouldn't they, looks like that's a mark or 2 dropped
10. (Original post by Benji12345)
For the trig identity question part b, did you have to rearrange for a tan quadratic and then use the quadratic formula to get the solutions for tans?
Yes using 1 + tan^2(X) = cosec^2(X)
11. Does anybody remember how many marks the sketching arcsin graph was?
12. (Original post by mpwb12345)
Will send u it
Send it to me as well
13. Yeah I ran out of time
I think I lost about 15 marks due to silly mistakes

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14. There goes my chances of getting an A overall
15. (Original post by Bloom77)
Do you need 80% across AS and A2 to get an A?
I got 78% in AS overall

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so you need 82% at a2
16. (Original post by Bloom77)
Do you need 80% across AS and A2 to get an A?
I got 78% in AS overall

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480 UMS in total across 6 units. Doesn't matter if you didn't get 80% or more at AS as long as your total is 80% or more.
17. Dunno why some people come on this thread literally just to say 'exam was easy'. Does it feed your ego? or?
18. (Original post by Bloom77)
Do you need 80% across AS and A2 to get an A?
I got 78% in AS overall

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You need to average 480 / 600 ums in all 6 modules; or average 80 ums on every module.

If you got 78 ums overall in AS, you need to average 82 ums in A2 overall to get an A overall.
19. (Original post by k.russell)
ah that does make more sense I guess, because all the solutions would be in the range -pi/4 to pi/2 wouldn't they, looks like that's a mark or 2 dropped
Don't worry, looks like overall people found it tricky so it shouldn't be a big deal
20. (Original post by BSLMaths)
Yes using 1 + tan^2(X) = cosec^2(X)
incorrect it's cot not tan, tan is for sec

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