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The notations sin −1 (x), cos −1 (x), tan −1 (x), etc., as introduced by John Herschel in 1813, [7] [8] are often used as well in English-language sources, [1] much more than the also established sin [−1] (x), cos [−1] (x), tan [−1] (x) – conventions consistent with the notation of an inverse function, that is useful (for example ...
The table below displays names and domains of the inverse trigonometric functions along with the range of their usual principal values in radians. Name Symbol
Ebook version, in PDF format, full text presented. Trigonometry by Alfred Monroe Kenyon and Louis Ingold, The Macmillan Company, 1914. In images, full text presented. Trigonometry FAQ; Trigonometry on Mathwords.com index of trigonometry entries on Mathwords.com; Trigonometry on PlainMath.net Trigonometry Articles from PlainMath.Net
cis is a mathematical notation defined by cis x = cos x + i sin x, [nb 1] where cos is the cosine function, i is the imaginary unit and sin is the sine function. x is the argument of the complex number (angle between line to point and x-axis in polar form).
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Template documentation This will be a list of the articles related to trigonometry - at the moment they are all spread out and overlap too much; they need focusing. Editors can experiment in this template's sandbox ( create | mirror ) and testcases ( create ) pages.
Learn how to download and install or uninstall the Desktop Gold software and if your computer meets the system requirements.
Trigonometry (from Ancient Greek τρίγωνον (trígōnon) 'triangle' and μέτρον (métron) 'measure') [1] is a branch of mathematics concerned with relationships between angles and side lengths of triangles.