Book:Varahamihira/Pancha-Siddhantika
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Varahamihira: Pancha-Siddhantika
Published $\text {\text {c. $575$}}$
In English:
- [Treatise] on the Five [Astronomical] Canons
Subject Matter
A summary of five works, now lost:
- Surya Siddhanta
- Romaka Siddhanta
- Paulisa Siddhanta
- Vasishtha Siddhanta
- Paitamaha Siddhantas
Contents
Calculations of the sine function for $24$ integer multiples of $3 \degrees 45 '$ up to $90 \degrees$.
Also known as
Can be rendered as: Pañcasiddhāntikā.
Some sources give it (possibly erroneously) as Pancha Siddhanta.
Sources
- 2008: Ian Stewart: Taming the Infinite ... (previous) ... (next): Chapter $5$: Eternal Triangles: Early trigonometry