 Minimal polynomial of 2cos(2pi/n) (source code)

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= Minimal polynomial of 2cos(2pi/n)
{wiki=Minimal_polynomial_of_2cos(2pi/n)}

To find the minimal polynomial of \\( 2\\cos\\left(\\frac\{2\\pi\}\{n\}\\right) \\), we start by recognizing that \\( 2\\cos\\left(\\frac\{2\\pi\}\{n\}\\right) \\) is related to the roots of unity.

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