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Here is a time-line that shows the history of the unit circle dating back to 250 B.C.

Q: What is the history of unit circle?

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It is unknown who created the unit circle. Pythagoras did a lot of work related to the unit circle. In ancient times, Greek, Indian, and Arabian mathematicians used the unit circle.

The unit circle is a circle that can be used to find trigonometric functions. The equation of the unit circle is x^2 + y^2 = 1. So it is any circle with radius 1.

WHAT ARE THE TANGENTS OF ALL COORDINATES IN THE UNIT CIRCLE?

1

A=u^x/360

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If the radius is two. it won't be a unit circle, a unit circle is defined as a circle with radius one.

The unit circle is a circle with its center at the origin and a radius of ' 1 '.

A unit circle is a circle with radius equal to one.

It is unknown who created the unit circle. Pythagoras did a lot of work related to the unit circle. In ancient times, Greek, Indian, and Arabian mathematicians used the unit circle.

A unit circle is not normally called 2 pi. Because the radius length measure of the unit circle is 1 unit, then the circumference of a unit circle is 2*pi, and its area is pi.

The unit circle is a circle that can be used to find trigonometric functions. The equation of the unit circle is x^2 + y^2 = 1. So it is any circle with radius 1.

A circle can have a unit of length which could be either a measure of its diameter or radius, or of its circumference. Or the circle could have the unit of area.

There really isn't much to memorize. The unit circle is a circle with a radius of 1.

A unit circle is one that has a radius of one. One = Unit, and hence the name.

WHAT ARE THE TANGENTS OF ALL COORDINATES IN THE UNIT CIRCLE?

Since the radius of the unit circle is 1, the circumference is 2 x pi.

A 'unit cube'. Just like a circle with radius 1 and center at (0,0) is a 'unit circle'.