Mañjula

Mañjula (fl. 932), also known as Muñjāla, was an Indian astronomer, whose only surviving work is Laghu-mānasa, an ephemeris and calculation text in Sanskrit language. He may have also authored another text, the Bṛhan-mānasa, but this is not certain. Quotes (The) Rsine is positive or negative in the upper or lower halves (of the quadrants); and its Rcosine is positive, negative, negative, and positive (respectively) according to the successive quadrants. Datta, Bibhutibhushan, and Avadesh Narayan Singh.———. ‘Hindu Trigonometry’ (revised by K.S. Shukla). Indian Journal of History of Science 18 (1) (1983): pp. 39-108. quoted from Bhaskar Kamble, The Imperishable Seed: How Hindu Mathematics Changed the World and why this History was Erased, Garuda Prakashan Private Limited, 2022 ISBN 9798885750189 External links Category:Astronomers from India