Tau versus Pi

Added: July 11, 2011 (over 3 years ago) share on facebookshare on twitter

Duration (16:22) Views: 109,234 by Khan Academy Category: Education

Likes: 788 Dislikes: 23

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Video Description

Why Tau might be a better number to look at than Pi
More free lessons at: http://www.khanacademy.org/video?v=1jDDfkKKgmc

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