Set of all roots of unity
135574
Help proving the primitive roots of unity are dense in the unit circle.
87830
Relating the union of the power set of a set to the set itself
7500
$\arctan$ of a square root as a rational multiple of $\pi$
108914
Splitting field of $x^n-a$ contains all $n$ roots of unity
15202
the root of $N$th transpose matrix
76482
Closure of the set of degree $n$ polynomials with $n$ real roots
68458
Roots of unity and large expression
41193
Number of integral roots of a polynomial
54374
Alternating Series Using Other Roots of Unity
13981
Proof that every polynomial of odd degree has one real root
3543
Prove set is basis for $R^3$
143466
Roots of functions / polynomials
12701
Perfect set without rationals
111199
Does there exist a formula for product of the primitive $ n $th roots of unity.
49899
Determine the number of real roots
59160
Roots of a given equation
42165
Complex numbers and Roots of unity