Aryabhatta, born in
476 A.D., was the greatest astronomer of the Gupta Period. It was his firm
belief that the earth was rotating, and heavens resting. He also gave a
scientific explanation for the occurrence of eclipse as opposed to the
prevailing ideas of Rahu and Ketu.
Another great achievement to Aryabhatta‘s credit was the
construction of trigonometric tables. He computed trigonometric tables and used
the values ‘sine’ and ‘cosine’ in his astronomical calculations. He developed
formulas for the sum of arithmetic and geometric series, and worked out the sum
of series such as ∑n
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