I didn't really understand why tau was "better" than pi until I understood the relationship to radians. Figure 8 [1] in the Tau Manifesto was the eye-opener for

I didn't really understand why tau was "better" than pi until I understood the relationship to radians. Figure 8 [1] in the Tau Manifesto was the eye-opener for me. With tau, instead of pi, I now have a more intuitive sense of how to think in radians when doing trigonometry. [1]: http://www.tauday.com/tau-manifesto#fig-tau_angles http://www.tauday.com/tau-manifesto#fig-tau_angles