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# C3 integral

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1. Please see attached. Mark scheme didn't help me much

Any help greatly appreciated, thanks
Attached Images

2. I think you have the integral of mixed up with the integral of .
3. (Original post by B_9710)
I think you have the integral of mixed up with the integral of .

Indeed I did; I don't really know how to find integral of (coesecx)^2 though
4. (Original post by hi-zen-berg)
Indeed I did; I don't really know how to find integral of (coesecx)^2 though
You would do the integral of 1 + cot^2x for cosec^2(x)
5. (Original post by hi-zen-berg)
Indeed I did; I don't really know how to find integral of (coesecx)^2 though
Consider the derivative of and then tell me.
6. (Original post by B_9710)
Consider the derivative of and then tell me.
Gosh I end up integrating 1 + cosec^2x
7. (Original post by Shiv Loves Maths)
Gosh I end up integrating 1 + cosec^2x
(Original post by B_9710)
Consider the derivative of and then tell me.
holyyyy. at least im aware now. integral of -(cosecx)^2 is cotx

lol wut thanks a lot

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