In mathematics, the sine is a trigonometric function of an angle. The sine of an
acute angle is .... In trigonometry, a unit circle is the circle of radius one centered
at the origin (0, 0) in the C...
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
Apr 10, 2015 ... Discovery of Sine and Cosine of an angle, the intuition behind it is ... The only
trigonometric function was the chord c h d x = 2 sin ( x / 2 ) .
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'.
In the section on trigonometric functions, we'll define sines for arbitrary angles. A
sine is ... This word history for sine is interesting because it follows the path of ...
The modern trigonometrical functions are sine, cosine, tangent, and their
reciprocals, but in ancient Greek trigonometry, the chord, a more intuitive function
, was ...
Sine: The word “sine” actually comes from a mistranslation of a word which is the
origin of our word “chord.” It can be seen that QB is a chord and is twice the ...
June 1st, 2012 | Comments Off on Understanding Sine, Cosine and Tangent ....
You can read more about the history of trigonometric functions here, here, and ...
May 30, 2015 ... Sine, cosine and tangent are the principle trigonometric functions. ... in “A History
of Mathematics (3rd Edition)” (Pearson, 2008), trigonometry ...
The sole trigonometric function used by the ancient Greeks is the chord, which is
... Thus it is believed that he was born around 70 AD (History of Mathematics).