Proof Without Words: Double Sum for Sine and Cosine


ÜNAL H.

The College Mathematics Journal, vol.41, no.5, 2010 (Peer-Reviewed Journal)

  • Publication Type: Article / Article
  • Volume: 41 Issue: 5
  • Publication Date: 2010
  • Journal Name: The College Mathematics Journal
  • Yıldız Technical University Affiliated: Yes