[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) › c8.116 # Mathematics in Ancient and Medieval India c8.116 Mathematics in Ancient and Medieval India c8.116 - **Language:** English ### [c8.116](https://indike.org/pramana/ins.science.bag-1979.c8.116) iii) R CosA/2 = (R(Sin A/2+CosA/2)-R(SinA/2-CosA/2))/2 - [Previous: c8.115](https://indike.org/pramana/ins.science.bag-1979.c8.115) - [Next: c8.117](https://indike.org/pramana/ins.science.bag-1979.c8.117) - [Up: c8](https://indike.org/pramana/ins.science.bag-1979.c8) --- Source: [https://indike.org/pramana/ins.science.bag-1979.c8.116](https://indike.org/pramana/ins.science.bag-1979.c8.116) · Pramāṇa