Many a Science originated from India. The First Tan Table, Sparsa Jyakkal, was compiled by the ace mathematician, Brahma Gupta. Sparsa chapa means ATan and he gave tan values for every Jya ( 360/72 =5 degrees ). The SIne Tables of Aryabhata and Madhava gave correct sine values for every Ashtamsa ( 30/8 = 3.75 degrees ). These Tables helped our Western brothers and solved their threefold problem ( longitude, latitude and loxodromes !