SOLUTION: find all complex cube roots of -i. in other words find all complex solutions of x^3=-i

Algebra ->  Trigonometry-basics -> SOLUTION: find all complex cube roots of -i. in other words find all complex solutions of x^3=-i      Log On


   



Question 855417: find all complex cube roots of -i. in other words find all complex solutions of x^3=-i
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
z^3 = cis(270)
z = cis(90), cis(210), cis(330)