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# Edexcel FP2 Official 2016 Exam Thread - 8th June 2016 watch

1. (Original post by Zacken)
Why not? Fairly sure it is because we do graph sketching in C1/2.

yh i know but even something like this?
"sketch the graph of g(x)=cos3x +2xcos3x" (p4 jan 03 qn 7)
(check the MS cuz you have to workout g(x) )
2. (Original post by ChuckNorriss)
yh i know but even something like this?
"sketch the graph of g(x)=cos3x +2xcos3x" (p4 jan 03 qn 7)
(check the MS cuz you have to workout g(x) )
Yeh so
(2x+1)(cos3x)
So an oscillating wave bounded by 2x+1 and -(2x+1) with zeros at 3x=(2n+1)pi/2

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3. Ik this is a prettyyy basic sum but could someone please solve it w all the steps? Thanks!
4. (Original post by imnoteinstein)

Ik this is a prettyyy basic sum but could someone please solve it w all the steps? Thanks!
Sorry it's not very neat, hope this helps
5. (Original post by imnoteinstein)

Ik this is a prettyyy basic sum but could someone please solve it w all the steps? Thanks!
I hope you know that this is not a sum. It is a polar equation.

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6. Thanks a lot, totally helped!
(Original post by economicss)

Sorry it's not very neat, hope this helps
7. Yessir

(Original post by physicsmaths)
I hope you know that this is not a sum. It is a polar equation.

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8. (Original post by imnoteinstein)
Thanks a lot, totally helped!
No problem
9. hate complex number inequalities booo
10. Are all of you doing FP2 as an A2 or AS module?
11. (Original post by techfan42)
Are all of you doing FP2 as an A2 or AS module?
How else are we meant to do it?

Edit: I just realised what you meant... I've been reading up on too much set theory and logic.
12. (Original post by Zacken)
How else are we meant to do it?

Edit: I just realised what you meant... I've been reading up on too much set theory and logic.
Yeah, I meant are you currently doing it in your A2 year or AS

13. Okay so the centre's (-4/5,0) and radius is 6/5. How do we do the b part?
14. (Original post by imnoteinstein)

Okay so the centre's (-4/5,0) and radius is 6/5. How do we do the b part?
Well, you know what maps to, so what does map to?
15. (Original post by Zacken)
Well, you know what maps to, so what does map to?
okay z=2 maps to the circe, so z \leq 2 should map to the circumference of the circle and everything inside it?
16. (Original post by imnoteinstein)
okay z=2 maps to the circe, so z \leq 2 should map to the circumference of the circle and everything inside it?
Try substituting the origin O (0, 0) to see where it maps to. It works as a nice test to see where the region lies. Zacken's method is probably more formal but I thought I'd show you a quick alternative as well
17. (Original post by techfan42)
Yeah, I meant are you currently doing it in your A2 year or AS
I think most people do it in their A2 year once they've learned C3/C4.
18. When finding the area of R2 why do we integrate equation 2?

What is wrong with integrating equation 1 with limits pie/2 and pie/6

thanks
Attached Images

19. (Original post by Ayman!)
They seem to increase by one raw every year.

The papers I've done so far have been trivial though, 2010-13. Which ones have you done?
Hey mate, sorry for the late reply. Not many tbh, find that most of the questions are v similar so not much practice needed. Hardest part for me are transformation questions!
20. dw ^^^ *got it now!! D

Hope everyone is having fun revising

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