AN AREA OF RIGHT TRIANGLE FOR TRIGONOMETRY

Authors

  • MOCHAMMAD IDRIS Universitas Lambung Mangkurat
  • MOHAMMAD MAHFUZH SHIDDIQ Universitas Lambung Mangkurat
  • ERIDANI ERIDANI Universitas Airlangga

DOI:

https://doi.org/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.

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Published

21-10-2023

Issue

Vol. 12 No. 4 (2023)

Section

Articles

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