Siddhanta, a Sanskrit term, roughly translates as the Doctrine or the Tradition. The Sanskrit language ( संस्कृता वाक्) is one of the earliest attested members of the Indo-European language family and is not only a classical language, but also an official language of India. ...
This term Siddhanta is an established theological term within Hinduism which denotes a specific line of theological development within a Hindu religious traditon. This article needs to be cleaned up to conform to a higher standard of quality. ... This article needs to be cleaned up to conform to a higher standard of quality. ...
For Jainism, the religion's canon varies between the three primary sects, with Sthanakavasis believing in no scripture. Both the Digambara and Shvetambara believe that the "purest" Jainist teachinges were contained within the Purvas, which have been mostly lost. Of the surviving Jain scriptures, the Digambara tend to focus upon the Prakaranas; while the Shvetambara focus upon the Angas. Earliest reference to Angas occurs in Atharava Veda (V.22. ... The Digambara (Sky-Clad) are a Jainist sect, these are the followers of Bhadrabahu. ... The Shvetambara (White-Clad) are a Jainism sect. ... Earliest reference to Angas occurs in Atharava Veda (V.22. ...
The next significant development of trigonometry was in India, in the works known as the Siddhantas (4th–5th century), which first defined the sine as the modern relationship between half an angle and half a chord.
The Siddhantas also contained the earliest surviving tables of sine values (along with 1 − cos values), in 3.75-degree intervals from 0 to 90 degrees.
The Hindu works were later translated and expanded by the Arabs, who by the 10th century (in the work of Abu'l-Wefa) were using all six trigonometric functions, and had sine tables in 0.25-degree increments, to 8 decimal places of accuracy, as well as tables of tangent values.
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