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1:07
YouTube
ANIMATE THE ABSTRACT
How Many Radians in a Circle?
How many of a circle's own radii fit around its circumference? The answer is the definition of a radian—and it's not a nice, round number. It's roughly 6.28, which we know as 2π... or should we call it τ (Tau)? This simple visual proves why Tau might be a more natural constant for a full circle rotation. #Math #TauDay Agree? Let us know in ...
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