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# Trapezium rule query - c4 watch

1. what is the difference between c2 trapezium rule questions and c4 ones?
2. Trapezium rule in C4 usual comes with an integration question, one may be asked to compare the two results, and the functions are more complicated....however, little else, is still the same old trapezium rule
3. do you mean the Trapezium Rule or the Simpsons Rule?
4. (Original post by sena168)
do you mean the Trapezium Rule or the Simpsons Rule?
Trapezium rule, is simpsons rule in C4 syllabus? Its in NM anyway
5. simpsons rule is not on c4[edexcel] thank god [even though i don't know what it is].

I just did a stupid solomon question with trapezium rule.

I used degrees and not radians and got a totall diff answer, the question didnt even say do it in radians. WTF is going on, if it is like this next tuesday im screwed .

Are we meant to use radians in the trapezium rule always?

[solomon paper C]
coz in OCR, we do Simpsons Rule in C4 or C3 (forgot which 1)
7. anyone got the answer for my question?

do we use radians and not degrees in c4?
8. (Original post by sena168)
coz in OCR, we do Simpsons Rule in C4 or C3 (forgot which 1)
Yep thats C3 OCR, because theres cw in it simpsons rule is part of the little bit of numerical methods involved in C3.

(Original post by sena168)
do we use radians and not degrees in c4?
Yes you should get used to radians by C4, also the trignometrical functions, and there derivatives require that you use radians.
9. (Original post by nas7232)
anyone got the answer for my question?

do we use radians and not degrees in c4?
i remember reading (in C3) that we can only differentiate when in radians. it would follow to be the same thing for integration
10. (Original post by nas7232)
simpsons rule is not on c4[edexcel] thank god [even though i don't know what it is].

I just did a stupid solomon question with trapezium rule.

I used degrees and not radians and got a totall diff answer, the question didnt even say do it in radians. WTF is going on, if it is like this next tuesday im screwed .

Are we meant to use radians in the trapezium rule always?

[solomon paper C]
Don't turn up to your exam on the wrong day lol
11. I agree you shouldn't Featherflare, seeing the exam IS next Tuesday ...
12. (Original post by Zuber)
i remember reading (in C3) that we can only differentiate when in radians. it would follow to be the same thing for integration
Yes thats correct, the derivatives of the trig functions only work to give the gradient at a given point of the function if the angle is given in radians, which makes sense really
13. (Original post by SunGod87)
I agree you shouldn't Featherflare, seeing the exam IS next Tuesday ...
*runs to calendar
14. (Original post by Featherflare)
*runs to calendar
lol!
15. I thought the simpsons rule was some kind of joke, then i realised u lot were serious...shows how much i know lol

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