[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) › c3.13 # Mathematics in Ancient and Medieval India c3.13 Mathematics in Ancient and Medieval India c3.13 - **Language:** English ### [c3.13](https://indike.org/pramana/ins.science.bag-1979.c3.13) CHAPTER V—\*TRIGONOMETRY\* ... 229–285 Formulae, Deductions of the formulae, Sine Table and its Origin, Method of Interpolation, Spherical Trigonometry, Value of π, Trigonometrical Series, π-Series, Convergency of π-Series, Sine and Cosine Series, Tan Series with proofs, Notes and References. - [Previous: c3.12](https://indike.org/pramana/ins.science.bag-1979.c3.12) - [Next: c3.14](https://indike.org/pramana/ins.science.bag-1979.c3.14) - [Up: c3](https://indike.org/pramana/ins.science.bag-1979.c3) --- Source: [https://indike.org/pramana/ins.science.bag-1979.c3.13](https://indike.org/pramana/ins.science.bag-1979.c3.13) · Pramāṇa