Using a relationship derived from a special case of DeMoivre's Theorem, we can express the sine and cosine functions as infinite series of generalized binomial coefficients. We will derive these ...
https://doi.org/10.4169/amer.math.monthly.124.4.353 https://www.jstor.org/stable/10.4169/amer.math.monthly.124.4.353 Every binomial coefficient aficionado1 knows that ...