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Thread: This really shouldn't work, but it does!! Why?

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  1. Jul 4th, 2006, 04:29 PM #1
    Mattywoo2
    Mattywoo2 is offline

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    This really shouldn't work, but it does!! Why?

    I came across a certain integral, and couldn't solve it (I now know you have to use the classic t=tan(1/2)x to do so) but I had a go using some really horrible and blazé mathematics.

    I've attacthed my efforts. Now I'd like someone to explain why on earth it should possibly work!!

    Thanks in advance, Matt

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