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




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

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