[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.s4.1 # A History of the Kerala School of Hindu Astronomy (in Perspective) c8.s4.1 A History of the Kerala School of Hindu Astronomy (in Perspective) c8.s4.1 - **Language:** English ### [c8.s4.1](https://indike.org/pramana/ins.science.sarma-1972.c8.s4.1) The approximations for sine and cosine functions up to the second power of small quantities, following from a well-known series expansion due to the British mathematician Brook Taylor (1685-1731)³ may be expressed as : - [Previous: c8.s3.10](https://indike.org/pramana/ins.science.sarma-1972.c8.s3.10) - [Next: c8.s4.2](https://indike.org/pramana/ins.science.sarma-1972.c8.s4.2) - [Up: c8.s4](https://indike.org/pramana/ins.science.sarma-1972.c8.s4) --- Source: [https://indike.org/pramana/ins.science.sarma-1972.c8.s4.1](https://indike.org/pramana/ins.science.sarma-1972.c8.s4.1) · Pramāṇa