https://www.sinmath.com/topic/trigonometry-rules/Recent content in Trigonometry Rules on Mathematics Learning PortalHugo -- gohugo.io© {year} | Mathematics Learning PortalMon, 26 Feb 2024 20:19:23 +0700https://www.sinmath.com/calculate-triangle-area-using-trigonometry-rules/Mon, 26 Feb 2024 20:19:23 +0700https://www.sinmath.com/calculate-triangle-area-using-trigonometry-rules/The area of ​​a triangle that we previously understood was calculated using the formula base area times height divided by two or can be written $$ L\triangle=\frac12\times a \times t$$ Apart from using the formula above, the area of ​​the triangle can also be obtained using trigonometry formulas. But first, please study Trigonometric Comparisons in Right Triangles↝ , Special Angle Trigonometric Comparisons↝ , and also [Sine Rule and Cosine](/sine-and-cosine-trigonometry rules) to understand more about trigonometry.