This was also about the time when Indian trigonometry was having a major impact on the Arab world (with widely used Arabic translations of the works of Aryabhata, Varahamihira, Brahmagupta and ...

1. The Concept of Zero and Advanced Mathematics The concept of zero was introduced in India around 458 CE in the Lokavibhāga and later perfected by Brahmagupta in the 7th century. Brahmagupta’s ...