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All Journal Epsilon: Jurnal Matematika Murni dan Terapan Jurnal Matematika UNAND
Mohammad Mahfuzh Shiddiq
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Computer Science & IT Decision Sciences, Operations Research & Management Mathematics Transportation

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Journal : Jurnal Matematika UNAND

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AN AREA OF RIGHT TRIANGLE FOR TRIGONOMETRY IDRIS, MOCHAMMAD; SHIDDIQ, MOHAMMAD MAHFUZH; ERIDANI, ERIDANI
Jurnal Matematika UNAND Vol. 12 No. 4 (2023)
Publisher : Departemen Matematika dan Sains Data FMIPA Universitas Andalas Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jmua.12.4.267-275.2023

Abstract

In this paper, we shall investigate formula of tangent function through determination of area of right triangle and rectangle. The consequence of this formula is used to obtain the other two trigonometric function, i.e. sine and cosine functions. Moreover, we also reprove Pythagorean theorem.
Co-Authors Eridani, Eridani Idris, Mochammad