MX2 Integration Marathon (1 Viewer)

idkkdi

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? its cosec^2x and cot^2x not cosecx and cotx not to mention u need the dx
Tan half angle may or may not simplify what is meant to be integrated. Dw about my scribbling lmao. Did actually forget about the ^2 haha.
 

idkkdi

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? its cosec^2x and cot^2x not cosecx and cotx not to mention u need the dx
Just a question. The standard way to do this integral seems to look like a page of working at least.
Any short ways?
 

notme123

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Something's very wrong, I can feel it.














...
 
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Qeru

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Yup nice now for a nasty one:


Let









Let








Ill save the partial fractions working.





Drawing up a triangle we find:

So:



I could have very easily made a mistake whether in latex or just trying to evaluate to integral so let me know if you find any.

Edit, fixed sign mistakes.
 
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Qeru

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If anyone is bothered see if my result matches with vernburn's lol
 

notme123

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are these questions they could straight up ask in an HSC exam? Or is this just for the lols?
 

vernburn

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Let









Let








Ill save the partial fractions working.





Drawing up a triangle we find:

So:



I could have very easily made a mistake whether in latex or just trying to evaluate to integral so let me know if you find any
Nice. I did the same initial sub then got to and used a t-sub. Your method is much better and I suspect I have made an error somewhere.
 

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