The curve must have a derivative at every point (except its end point).
Chat with our AI personalities
A fraction is a single value. At is neither a graph nor a curve.
I am not sure what situation you are talking about; usually such curves should be smooth.
A smooth closed curve.
None. A circle has no angles: it comprises a smooth curve.
It cannot be, since no finite number of triangles can result in a smooth curve of the circumference.