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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.

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ERIC Number: EJ770366
Record Type: Journal
Publication Date: 2002-Mar
Pages: 4
Abstractor: Author
Reference Count: 5
ISSN: ISSN-0020-739X
On a New Trigonometric Identity
Chen, Hongwei
International Journal of Mathematical Education in Science and Technology, v33 n2 p306-309 Mar 2002
A new trigonometric identity derived from factorizations and partial fractions is given. This identity is used to evaluate the Poisson integral via Riemann sum and to establish some trigonometric summation identities.
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Publication Type: Journal Articles; Reports - Descriptive
Education Level: Higher Education
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers: N/A