trigonometry
trigonometry ARTICLES


Sine, Cosine and the Measurement of the Earth
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Mathematics has long been an area of expertise amongst...


Mathematics in Muslim Heritage
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Early mathematics was revolutionised by Muslim scholars...


Taqi al Din Ibn Ma’ruf 's Work on Extracting the Cord 2<sup>o</sup> and Sin 1<sup>o</sup>
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This article by Professor Sevim Tekeli, a leading historian...