Licson Lee => Ow< [MSFW]: sin 18 deg = (sqrt(5) - 1) / 4 sin 54 deg = (sqrt(5) + 1) / 4 #58fe2a50933ba140954e0749

Licson Lee says to Ow< [MSFW]

sin 18 deg = (sqrt(5) - 1) / 4 sin 54 deg = (sqrt(5) + 1) / 4

at Tue, Apr 25, 2017 12:39 AM