[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [A History of the Kerala School of Hindu Astronomy (in Perspective)](https://indike.org/pramana/ins.science.sarma-1972) › c8.s4.5 # A History of the Kerala School of Hindu Astronomy (in Perspective) c8.s4.5 A History of the Kerala School of Hindu Astronomy (in Perspective) c8.s4.5 - **Language:** English ### [c8.s4.5](https://indike.org/pramana/ins.science.sarma-1972.c8.s4.5) This approximation has been anticipated, in its particular cases, f(x)=sin x and f(x)=cos x, by more than three hundred years, by Mādhava of Saṅgamagrāma (c. 1340-1425)¹ in the following verses : - [Previous: c8.s4.4](https://indike.org/pramana/ins.science.sarma-1972.c8.s4.4) - [Next: c8.s4.6](https://indike.org/pramana/ins.science.sarma-1972.c8.s4.6) - [Up: c8.s4](https://indike.org/pramana/ins.science.sarma-1972.c8.s4) --- Source: [https://indike.org/pramana/ins.science.sarma-1972.c8.s4.5](https://indike.org/pramana/ins.science.sarma-1972.c8.s4.5) · Pramāṇa