5: Trigonometry and Right Triangles — Read

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Trigonometry is a branch of mathematics that studies relationships between side lengths and angles of triangles. A right triangle or right-angled triangle is a triangle in which one angle is a right angle. The relation between the sides and angles of a right triangle is the basis for trigonometry.

5.1: The Trigonometric Functions
Trigonometry (from Greek words meaning triangle-measure) is the branch of mathematics concerned with computing unknown sides and angles of triangles.
5.2: Solution of Right Triangles
5.3: Applications of Trigonometry
Trigonometry has many applications in science and engineering. In this section we will present just a few examples from surveying and navigation.

Thumbnail: The sine and cosine function in the unit circle. (CC0; Stephan Kulla via Wikipedia)

This page titled 5: Trigonometry and Right Triangles was last modified on Sun, 28 May 2023 18:41:49 GMT and is shared under a CC BY-NC-SA 4.0 license and was authored, remixed, and/or curated by Henry Africk (New York City College of Technology at CUNY Academic Works) via source content that was edited to the style and standards of the LibreTexts platform.

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