unit circle question

[lsgators028]

how can you find the coordinates of a point on the unit circle if all you know is the arc length - and the length is given in "units" not degrees or radians?

 

[stapel]

Hard to say. Could you post a specific example?

Thank you.

Eliz.

 

[Gene]

I would guess that the units are radians unless you have a reason to believe otherwise. It is a "unit circle" so the radius is a unit.
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Gene