What 7 concepts are covered in the What is a Unit Circle Calculator?

circle

the set of all points in the plane that are a fixed distance from a fixed point

equation

a statement declaring two mathematical expressions are equal

origin

On a two digit coordinate plane, the point (0, 0), where the x-axis and y-axis cross.

point

an exact location in the space, and has no length, width, or thickness

radius

Distance from the center of a circle to the edge C/2π

trigonometry

Trigonometry studies relationships between side lengths and angles of triangles. The word trigonometry comes from the Greek word trigonon which means triangle and metron which means measure

unit circle

A circle centered at the origin (0, 0) with a radius of 1 x^{2} + y2 = 1