[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) › c8.72 # Mathematics in Ancient and Medieval India c8.72 Mathematics in Ancient and Medieval India c8.72 - **Language:** English ### [c8.72](https://indike.org/pramana/ins.science.bag-1979.c8.72) Sin ( (π)/2 - A ) = Cos A - [Previous: c8.71](https://indike.org/pramana/ins.science.bag-1979.c8.71) - [Next: c8.73](https://indike.org/pramana/ins.science.bag-1979.c8.73) - [Up: c8](https://indike.org/pramana/ins.science.bag-1979.c8) --- Source: [https://indike.org/pramana/ins.science.bag-1979.c8.72](https://indike.org/pramana/ins.science.bag-1979.c8.72) · Pramāṇa