# Tangent to a Catenary

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Any tangent to the catenary has the property , where is the tangent to the catenary at , and is the semicircle with center and radius .

Contributed by: Izidor Hafner (November 2012)

Open content licensed under CC BY-NC-SA

## Snapshots

## Details

Reference

[1] G. N. Berman, *A* *Problem Book in Mathematical Analysis*, Moscow, Russia: Mir Publishers, 1957 p. 69.

## Permanent Citation

"Tangent to a Catenary"

http://demonstrations.wolfram.com/TangentToACatenary/

Wolfram Demonstrations Project

Published: November 5 2012