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ERIC Number: EJ838146
Record Type: Journal
Publication Date: 2005-Mar
Pages: 5
Abstractor: As Provided
Reference Count: 2
ISSN: ISSN-1051-1970
A Geometric Proof of the Addition Identity for Sine
Alongi, John M.
PRIMUS, v15 n1 p81-85 Mar 2005
We provide a geometric proof of the formula for the sine of the sum of two positive angles whose measures sum to less than [pi]/2. (Contains 1 figure.)
Taylor & Francis, Ltd. 325 Chestnut Street Suite 800, Philadelphia, PA 19106. Tel: 800-354-1420; Fax: 215-625-2940; Web site:
Publication Type: Journal Articles; Reports - Descriptive
Education Level: Higher Education
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A