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Question: Integration Problem

Question:Integration Problem

SJSCatcher 10 Maple 15
integration differentiation
October 21 2013
2

Hi. I have a question it goes.

Find the equation f(x) which satisfies the following conditions. f'(x)= 1/(1+cot(x)) and f(pi/4)=1.

So I enter the following in Maple and this is what I end up with.

http://s5.postimg.org/eriq99rs7/Maple.jpg

This should work as far as I can tell. The final diff command should return the original f'(x), but it doesn't. Can anyone tell me why?

I have used this exact method before on similair problems and it works, but I can't see why it doesn't work here.

I am pretty new to Maple, and help would be appreciated.

Thanks
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