Hey! I found this formula for pi, it's probably been found, but I want to share anyway (It was fun to get this): $\displaystyle \pi = \lim_{n\rightarrow \infty} \frac{nsin(\frac{360}{n})}{2} $ Thanks!
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Nothing out the extraordinary, put $\displaystyle x=\frac1n.$
Originally Posted by Skinner Hey! I found this formula for pi, it's probably been found, but I want to share anyway (It was fun to get this): $\displaystyle \pi = \lim_{n\rightarrow \infty} \frac{nsin(\frac{360}{n})}{2} $ Thanks! Did you derive that? How did you approach it?
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