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Shimmerings
Enchanted Learning® Photoblog      Posted March 14, 2012   1:59 pm

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A Cute Fact for Pi Day
 
A Cute Fact for Pi Day

Here's a cute fact for Pi Day.

This approximation becomes closer and closer as n gets larger.

For example, sin( (1 / 5,555,555,555) °) is about 0.00000000000314159265.... In the decimal, notice the familiar digits from the start of π!

If you try this on a calculator, be sure to use degrees, not radians.
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