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Sine - Wikipedia


In mathematics, the sine is a trigonometric function of an angle. The sine of an acute angle is ... 11.1.1 Partial fraction and product expansions of complex sine; 11.1.2 Usage of complex sine. 11.2...

The birth of trigonometry


The complex origins of trigonometry are embedded in the history of the ... The earliest uses of trigonometric functions were related to the chords of a circle, and  ...

History of Sine | Math, Trigonometry, Trigonometric Functions ...


History of Sine by Kerri Hallihan - May 15, 2013. ... Trigonometry · Trigonometric Functions · Precalculus. Like. 0 5:16. Switch to older version player ...

calculus - Discovery of Sine and Cosine - History of Science and ...


Apr 10, 2015 ... Wikipedia has a detailed article on history of trigonometry, including ... The only trigonometric function was the chord c h d x = 2 sin ⁡ ( x / 2 ) .

Trigonometric functions - MacTutor History of Mathematics


The use of trigonometric functions arises from the early connection between ... Similarly, in terms of chords rather than sin and cos, Ptolemy knew the formulas.

trigonometry | Britannica.com


Apr 18, 2016 ... ... to calculations. There are six functions of an angle commonly used in trigonometry.... ... 4-18-2016 See Article History. Related Topics.

www.ask.com/youtube?q=History of Sine Function&v=llA6iW043XU
Aug 15, 2011 ... http://BigBangPhysics.com The sine function can be obtained by taking ratios of triangle sides at different angles.

The Story Of Sine | My Dominant Hemisphere


Aug 27, 2009 ... I've been studying mathematics lately and really enjoying it. Here's an interesting story about the history of the trigonometric function, 'sine'.

History of Trigonometry Outline


The modern trigonometrical functions are sine, cosine, tangent, and their reciprocals, but in ancient Greek trigonometry, the chord, a more intuitive function , was ...

What Is Trigonometry? - Live Science


May 30, 2015 ... Sine, cosine and tangent are the principle trigonometric functions. ... According to Victor Katz in “A History of Mathematics (3rd Edition)” ...