Trigonometry

Trigonometry topics

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Taqi al Din Ibn Ma’ruf 's Work on Extracting the Cord 2<sup>o</sup> and Sin 1<sup>o</sup>
This article by Professor Sevim Tekeli, a leading historian of science in the Ottoman period, deals with an aspect of the work of Taqi al-Din Ibn Ma'ruf in trigonometry, a mathematical discipline...
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