Monthly Archives: April 2008

Complex Analysis

I’ve finally wiped the dust off my copy of Ahlfors and started reading from page 1. Previously, I’ve only looked at the chapter on Elliptic functions as a reference. I’ve skimmed through four chapters and decided that it is probably … Continue reading

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Oliver Heaviside

I have no idea who is Heaviside until I started to teach this course which included Laplace transforms. That got me really interested and I checked out P. Nahin’s biography from the library. Perusing the borrowing slip, the book was … Continue reading

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Morrie’s Law

Came across this curious identity while preparing some trigo notes. [tex] \cos (20^\circ) \cos (40^\circ) \cos (80^\circ) =\frac{1}{8} [/tex] According to wolfram, it is called Morrie’s Law by Feynman after his childhood friend who showed it to him. Wow, all … Continue reading

Posted in Trigonometry | Leave a comment