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MATH / Find the cubic polynomial, in x, with integer coefficients that has cos20^(∘) as a root. The coefficient of x³ should be positive, and the coefficients should have no common factor… · Discussion

Discussing Find the cubic polynomial, in x, with integer coefficients that has cos20^(∘) as a root. The coefficient of x³ should be positive, and the coefficients should have no common factor… · MATH

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