perplexus.info :: Numbers : Integral Proof

Integral Proof (Posted on 2015-01-26)

Prove that

tan⁶(pi/9) + tan⁶(2pi/9) + tan⁶(4pi/9)

is an integer, and find the value of this integer.

No Solution Yet Submitted by Danish Ahmed Khan

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Subject	Author	Date
Full Solution	Brian Smith	2016-06-26 23:33:36
possible approach.	broll	2015-01-26 21:42:55
no proof, but the integer is... (spoiler)	Charlie	2015-01-26 13:24:51

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