Trigonometry History and Foundations

Trigonometry is a branch of mathematics concerned with relationships between angles and ratios of lengths.

Trigonometry emerged in the Hellenistic world during the 3rd century BC from applications of geometry to astronomical studies.

Trigonometry has been applied in areas such as geodesy, surveying, celestial mechanics, and navigation.

<p>Trigonometric identities are commonly used for rewriting trigonometrical expressions with the aim to simplify an expression, to find a more useful form of an expression, or to solve an equation.</p> Signup and view all the answers

<p>Sumerian astronomers studied angle measure, using a division of circles into 360 degrees.</p> Signup and view all the answers