The Chebyshev polynomials
A cosine written as a polynomial: the recurrence, the equal ripple between $-1$ and $1$, and the theorem that no monic polynomial of the same degree stays smaller.
About 20 minutes6 activities Paper packet
A cosine written as a polynomial: the recurrence, the equal ripple between $-1$ and $1$, and the theorem that no monic polynomial of the same degree stays smaller.
About 20 minutes6 activities Paper packet