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Six tangents (Posted on 2014-08-17) Difficulty: 3 of 5
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tan(pi/13)*tan(2pi/13)*tan (3pi/13)*tan(4pi/13)*tan(5pi/13)*tan (6pi/13) = 13^1/2.

No Solution Yet Submitted by Danish Ahmed Khan    
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re(3): Interesting observation | Comment 4 of 8 |
(In reply to re(2): Interesting observation by Larry)


in

http://en.wikipedia.org/wiki/List_of_trigonometric_identities

look for tangents of suns


  Posted by Ady TZIDON on 2014-08-18 04:13:38
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