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Which 15th-century Indian mathematician is credited with discovering the power series expansions for sine, cosine, and arctangent?

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Madhava of Sangamagrama

Madhava, the founder of the Kerala School of Astronomy and Mathematics, developed these series nearly two centuries before Taylor and Maclaurin in Europe. These are often referred to as the Madhava-Gregory series.

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  • The power series expansions for sine, cosine, and arctangent were first discovered by which 15th-century Indian mathematician?

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