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a=58*tanh(10*pi/a)

difficulty advanced
 Mar 21, 2015

Best Answer 

 #1
avatar+33616 
+5

See graph:

 tanh graph

a ≈ ±38.816

.

 Mar 22, 2015
 #1
avatar+33616 
+5
Best Answer

See graph:

 tanh graph

a ≈ ±38.816

.

Alan Mar 22, 2015

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