Tag Archives: roots

Chebyshev Polynomials of the First Kind

This animation illustrates the connection between roots of the Chebyshev polynomials (of the first kind) and the vertices of a regular polygon inscribed in the unit circle centered at the origin. For a still image, see the cover of the … Continue reading

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Girls’ Angle Bulletin, Volume 5, Number 6

The electronic version of the latest issue of the Girls’ Angle Bulletin is now available on our website. This issue represents 5 years of the Bulletin, which has come out on the last day of every even-numbered month since October … Continue reading

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Being Receptive- A Quadratic Example

A few days ago, I presented some students with this problem from the 2003 AMC 10A (problem #5): Let and denote the solutions of . What is the value of ?

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