Question

what is the unit of circle ⭕​

Answer 1

In mathematics, a unit circle is a circle of unit radius—that is, a radius of 1. Frequently, especially in trigonometry, the unit circle is the circle of radius 1 centered at the origin (0, 0) in the Cartesian coordinate system in the Euclidean plane.

Answer 2

Step-by-step explanation:

Unit Circle. The unit circle is a circle centered at the origin, with a radius of one. The equation of the unit circle is u2 + v2 = 1.

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