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Analysis Fact

@analysisfact

Daily tweets about real and complex analysis and related topics. From @JohnDCook.

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linkhttp://JohnDCook.com/math calendar_today30-12-2009 03:42:59

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Analysis Fact
@analysisfact

25 days ago

Start with 2 and divide by the cosine of a 45 degree angle. Then repeat over and over, cutting the angle in half each time. The result converges to π.

Start with 2 and divide by the cosine of a 45 degree angle. Then repeat over and over, cutting the angle in half each time. The result converges to π.