Maths wtf

The constant is Desmond remember.

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I would've been able to do this when I was doing my Maths and Further Maths A-Levels. Now I can only just put 2 and 2 together...
 
Well for a start that result needs simplifying; it should be 2*sqrt(arcsin(x)). As for the integral, just make the substitution x = sin(u) and it all drops out nicely:

2w7ob9g.png
 
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I've enjoyed how many people have been useless in this thread, makes me feel better about my lack of advanced maths skills!
 
Is it just me or does this stuff just fall out of your head as soon as you stop using it on a daily basis? I had to do loads of calculus for Electrical & Electronic Engineering BTEC but I can't remember any of it now!
 
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Well for a start that result needs simplifying; it should be 2*sqrt(arcsin(x)). As for the integral, just make the substitution x = sin(u) and it all drops out nicely:

2w7ob9g.png



Been a long time since I have had to do this kind of maths, but that follows IMLMO (In My limited mathematical Opinion).
 
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