NotesFAQContact Us
Collection
Advanced
Search Tips
50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

Learn more about the history of ERIC here. PDF icon

ERIC Number: EJ151991
Record Type: CIJE
Publication Date: 1975
Pages: N/A
Abstractor: N/A
Reference Count: N/A
ISBN: N/A
ISSN: N/A
Formulas for Sin NX and Cos NX
Lederer, Eric M.
MATYC Journal, 9, 3, 26-27, 75
The use of DeMoivre's Theorem, the Binomial Theorem, and Pascal's Traingle in finding cos nx and sin nx is explained. (DT)
Publication Type: N/A
Education Level: N/A
Audience: N/A
Language: N/A
Sponsor: N/A
Authoring Institution: N/A
Identifiers: N/A