Science And Technology

Ancient Indian texts such as the Sushruta Samhita, dating back to around the 6th century BCE, describe various surgical instruments and techniques used in surgeries. By the 1st century AD, specialized surgical instruments were indeed in common use in ancient India. There is no evidence to suggest that organ transplantation, as understood in modern medicine, was practised in ancient India by the beginning of the 3rd century AD. The concept of trigonometry, including the sine function, was known in ancient India. The Indian mathematician Aryabhata, who lived in the 5th century AD, made significant contributions to trigonometry and provided tables of trigonometric values in his work Aryabhatiya. The concept of cyclic quadrilaterals, along with other geometric concepts, was known in ancient India. The mathematician Brahmagupta, who lived in the 7th century AD, discussed cyclic quadrilaterals in his mathematical treatise Brahmasphutasiddhanta. Therefore, the correct answer is options 1, 3, and 4.