[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) › c3.8 # A History of the Kerala School of Hindu Astronomy (in Perspective) c3.8 A History of the Kerala School of Hindu Astronomy (in Perspective) c3.8 - **Language:** English ### [c3.8](https://indike.org/pramana/ins.science.sarma-1972.c3.8) The background (11-12)—Tycho Brahe's Reduction to the ecliptic (12-14)—Newton-Gauss Interpolation formula (14-15)—Taylor Series for Sine and Cosine functions (15-16)—Newton's Power Series for Sine and Cosine (16-18)—Infinite G.P. Convergent Series (18-19)—Lhuiler's formula for the Circum-radius of the Cyclic quadrilateral (19-20)—Gregory and Leibnitz's Series for the Inverse tangent (20-22)—Leibnitz's Power series for π (22-23)—Approximations to the value of π (23-27)—Some other highlights (27-28) - [Previous: c3.7](https://indike.org/pramana/ins.science.sarma-1972.c3.7) - [Next: c3.9](https://indike.org/pramana/ins.science.sarma-1972.c3.9) - [Up: c3](https://indike.org/pramana/ins.science.sarma-1972.c3) --- Source: [https://indike.org/pramana/ins.science.sarma-1972.c3.8](https://indike.org/pramana/ins.science.sarma-1972.c3.8) · Pramāṇa