MathDB

15

Part of 2016 Harvard-MIT Mathematics Tournament

Problems(1)

2016 Guts #15

Source:

12/24/2016
Compute tan⁡(π7)tan⁡(2π7)tan⁡(3π7)\tan\left(\frac{\pi}{7}\right)\tan\left(\frac{2\pi}{7}\right)\tan\left(\frac{3\pi}{7}\right).
algebratrig identities