Madhava's sine and cosine series

Bag, Amulya Kumar (1976) Madhava's sine and cosine series Indian Journal of History of Science, 11 (1). pp. 54-57. ISSN 0019-5235

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Indian scholar Madhava (1350-1410) gave a table of almost accurate values of half-sine chords for twenty-four arcs drawn at equal intervals in a quarter of a given circle. The paper discusses the basis of arriving at such accurate value and has shown that Madhava established the following sine and cosine series before Newton (1642-1727), De Moivre (1707038) and Euler (1748), and used these relations to compute his table.

Item Type:Article
Source:Copyright of this article belongs to Indian National Science Academy.
ID Code:74659
Deposited On:17 Dec 2011 09:23
Last Modified:17 Dec 2011 09:23

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