[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) › c8.105 # Mathematics in Ancient and Medieval India c8.105 Mathematics in Ancient and Medieval India c8.105 - **Language:** English ### [c8.105](https://indike.org/pramana/ins.science.bag-1979.c8.105) It may be written in modern form as follows : $√(((Sin A - Cos A)²)/2) = Sin \[ ((90⁰ - A) - A)/2 \]$ - [Previous: c8.104](https://indike.org/pramana/ins.science.bag-1979.c8.104) - [Next: c8.106](https://indike.org/pramana/ins.science.bag-1979.c8.106) - [Up: c8](https://indike.org/pramana/ins.science.bag-1979.c8) --- Source: [https://indike.org/pramana/ins.science.bag-1979.c8.105](https://indike.org/pramana/ins.science.bag-1979.c8.105) · Pramāṇa