Question 1038911
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Suppose  w is a cube root of unity with w not equal to 1.   
Suppose P and Q are the points on complex plane defined by w and (w^2).  
If O is the origin then what is angle between OP and OQ
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120°  or  {{{2pi/3}}}  radians.


About cube roots of 1 see the lesson <A HREF=https://www.algebra.com/algebra/homework/complex/How-to-take-a-root-of-a-complex-number.lesson>How to take a root of a complex number</A> in this site.