[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [Mathematics in Ancient and Medieval India](https://indike.org/pramana/ins.science.bag-1979) › c8.119 # Mathematics in Ancient and Medieval India c8.119 Mathematics in Ancient and Medieval India c8.119 - **Language:** English ### [c8.119](https://indike.org/pramana/ins.science.bag-1979.c8.119) vi) √((R².R Cos A)/2) = R Sin A/2 , R Cos A/2 - [Previous: c8.118](https://indike.org/pramana/ins.science.bag-1979.c8.118) - [Next: c8.120](https://indike.org/pramana/ins.science.bag-1979.c8.120) - [Up: c8](https://indike.org/pramana/ins.science.bag-1979.c8) --- Source: [https://indike.org/pramana/ins.science.bag-1979.c8.119](https://indike.org/pramana/ins.science.bag-1979.c8.119) · Pramāṇa