The Sine Table of Al-Kashi in His Miftah al-Hisab

Authors

  • Supian Mat Salleh International Islamic University Malaysia

Abstract

ABSTRACT
This article examines Al-K?sh?'s Kh?q?n? sine table in Mift?? al-?isab, converting it from the sexagesimal to decimal system. Our investigation includes a comparative analysis with a modern sine table to evaluate the accuracy of the Kh?q?n? sine values. Additionally, we address a copyist error in the table, providing corrections and subsequently restoring the table.
Keywords: Al-K?sh?, classical mathematics, Islamic mathematics history, Kh?q?n? sine table.


ABSTRAK
Dalam artikel ini, kami mengkaji jadual sin Kh?q?n? oleh Al-K?sh? dalam Mift?? al-?isab. Kami menukarkan jadual dari sistem seksagesimal kepada sistem desimal dan menyiasat tahap ketepatan jadual sin Kh?q?n? dengan membandingkannya dengan jadual sin moden. Kami juga membuat pembetulan terhadap kesalahan yang telah dilakukan oleh penyalin dan seterusnya memulihkan kembali jadual tersebut.
Kata Kunci: Al-K?sh?, matematik klasik, sejarah matematik Islam, Kh?q?n? sine table.

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Published

2024-06-29

How to Cite

Mat Salleh, S. (2024). The Sine Table of Al-Kashi in His Miftah al-Hisab. Revelation and Science, 14(1). Retrieved from https://journals.iium.edu.my/revival/index.php/revival/article/view/396