perplexus.info :: Just Math : Six tangents

Six tangents (Posted on 2014-08-17)

Show that :

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: Interesting observation

| Comment 2 of 10 |

(In reply to Interesting observation by Larry)

You have found that

The product of the first N terms shows results in SQRT (2*N+1).

Now try induction ...

Posted by Ady TZIDON on 2014-08-17 10:26:35

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