[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) › c8.22 # Mathematics in Ancient and Medieval India c8.22 Mathematics in Ancient and Medieval India c8.22 - **Language:** English ### [c8.22](https://indike.org/pramana/ins.science.bag-1979.c8.22) $R Sin A = (R(180⁰ - A) A)/(\[40500 - (180⁰ - A)A\]R/4)$ - [Previous: c8.21](https://indike.org/pramana/ins.science.bag-1979.c8.21) - [Next: c8.23](https://indike.org/pramana/ins.science.bag-1979.c8.23) - [Up: c8](https://indike.org/pramana/ins.science.bag-1979.c8) --- Source: [https://indike.org/pramana/ins.science.bag-1979.c8.22](https://indike.org/pramana/ins.science.bag-1979.c8.22) · Pramāṇa