DescriptionRectangular elastica and lemniscatic sine.png
English: The lemniscate sine relates the arclength to the x coordinate in the rectangular elastica. The rectangular elastica is the solution to a problem proposed and solved by J. Bernoulli, later generalized by L. Euler.
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.