Published On Apr 11, 2024
In this video, we use properties of roots of unity to find the sum of the 7th powers of cos(2π/7), cos(4π/7), and cos(6π/7).
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In this video, we use properties of roots of unity to find the sum of the 7th powers of cos(2π/7), cos(4π/7), and cos(6π/7).
