Solving equation z^4=81Cis (2π/3) - YouTube,Let z1, z2, z3 be three vertices of an equilateral triangle,1246/90-93T with N300 units in stock.Very good condition,2006 Saturn Ion, Redline | 1G8AY14P26Z176864 | Bid History,Solved Verify that y = -6t cos(t) - 6t is a solution of the