[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) › c8.213 # Mathematics in Ancient and Medieval India c8.213 Mathematics in Ancient and Medieval India c8.213 - **Language:** English ### [c8.213](https://indike.org/pramana/ins.science.bag-1979.c8.213) Let R = 3438, then Jyā 30⁰ = R/2 = 1719, Jyā 45⁰ = (R²)/2=2431, \*Jyā\* 60°=(√3)/2R=2928, \*Jyā\* 90°=R=3438. - [Previous: c8.212](https://indike.org/pramana/ins.science.bag-1979.c8.212) - [Next: c8.214](https://indike.org/pramana/ins.science.bag-1979.c8.214) - [Up: c8](https://indike.org/pramana/ins.science.bag-1979.c8) --- Source: [https://indike.org/pramana/ins.science.bag-1979.c8.213](https://indike.org/pramana/ins.science.bag-1979.c8.213) · Pramāṇa