That's a cool chart whatever. .707 is a pretty fascinating ratio and has applications in geometry, physics, electrical applications, sine wave theory, etc. It's the inverse of 1.414 where 1.414 is the square root of 2 and 1.414 represents the diagonal of a 1x1 triangle. The square of .707 is .5.
As far as the inverse thing goes, if you take a square and divide by .707 it will give you the diagonal of the square. If you took .707 times 180 degrees of a circle you would get 127.2.
Has some fascinating application in electricity and calculating RMS, you can google it for some more information.
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