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Does Tau Mean 2Pi? [Solved]

It’s a lot to take in, and I, too, was once like you: I was taught the virtues of pi for years, going back to Pi Day parties in middle school. But instead of pi, we should celebrate tau, an alternative circle constant referred to by the Greek letter τ that equals 2π, or approximately 6.28.14 Mar 2018

When 2pi does NOT equal tau

Only recently it was discovered that substituting in pi - instead of using

Tau versus pi | Graphs of trig functions | Trigonometry | Khan Academy

Why

Tau vs Pi Smackdown - Numberphile

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