Hostname: page-component-78c5997874-v9fdk Total loading time: 0 Render date: 2024-11-13T02:41:11.297Z Has data issue: false hasContentIssue false

The Proof by Projection of the Addition Theorem in Trigonometry

Published online by Cambridge University Press:  20 January 2009

Rights & Permissions [Opens in a new window]

Extract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

The object of this paper is to remove the difficulty that arises in giving a general proof by projection methods of this theorem, without in any way interfering with the single-valuedness of the position of a radius vector tracing out angles from a given initial position, when the values of the trigonometrical ratios are given.

Type
Research Article
Copyright
Copyright © Edinburgh Mathematical Society 1904