Home >>Python cmath Module >Python cmath.tau Constant
Python cmath.tau constant is used to return tau whose value is equal to 6.283185307179586. It is defined as the ratio of the circumference to the radius of a circle. It's value is equivalent to 2π.
Syntax:cmath.tauHere is an example of Python cmath.tau constant:
import cmath
print (cmath.tau)