User:Geoffrey

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Currently no longer a Wikipediholic due to too much schoolwork.

Fun stuff from Mathematica's TeXForm command...the derivatives of the trigonometric functions.

\begin{matrix} \sin (x) & \cos (x) & -\sin (x) \\ \cos (x) & -\sin (x) & -\cos ( x) \\ \tan (x) & {\sec (x)}^2 & 2\,{\sec (x)}^2\,\tan (x) \\ \csc ( x) & -\left( \cot (x)\,\csc (x) \right) & {\cot (x)}^2\,\csc (x) + {\csc (x)}^3 \\ \sec (x) & \sec (x)\,\tan (x) & {\sec (x)}^3 + \sec (x)\,{\tan (x)}^2 \\ \cot (x) & -{\csc (x)}^2 & 2\,\cot (x)\, {\csc (x)}^2 \\ \end{matrix}

I, Geoffrey Thomas used to be a wikipediholic (score: 74/261) - though I don't edit much, I read a lot. My first edit here was on 13 January 2003 under the IP address 208.180.92.88; I joined on 20 January 2003. Most edits I do are small grammar fixes, reformatting, etc.

I also do some edits on Wikibooks.

[edit] Articles I have worked on considerably

...among others.

[edit] Contact

I'm at MIT now. My username is geofft.

AIM: geoffreyerffoeg

Leave me a message on /talk and I'll find it in between a few days to a month.