en.wikipedia.org/wiki/Sine

Sine, in mathematics, is a trigonometric function of an angle. The sine of an angle
is defined in ... of complex sine. 12.2 Complex graphs. 13 History. 13.1 Etymology
. 14 Software implementations; 1...

ualr.edu/lasmoller/trig.html

The complex origins of trigonometry are embedded in the history of the simple ...
From India the sine function was introduced to the Arab world in the 8th century ...

hsm.stackexchange.com/questions/2148/discovery-of-sine-and-cosine

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 ) .

aleph0.clarku.edu/~djoyce/ma105/trighist.html

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

mydominanthemisphere.wordpress.com/2009/08/27/the-story-of-sine/

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'.

www2.clarku.edu/~djoyce/trig/sines.html

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 ...

nrich.maths.org/6908

The third of three articles on the History of Trigonometry. ... The versine function
for a circle radius is: [See Note 3 below]. In Aryabhata's work, he uses and took ...

www.math.rutgers.edu/~cherlin/History/Papers2000/hunt.html

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).

www.showme.com/sh/?h=Vwmpmoy

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

www.livescience.com/51026-what-is-trigonometry.html

May 30, 2015 ... Trigonometry is a branch of mathematics that studies relationships between ...
Sine, cosine and tangent are the principle trigonometric functions. ... Katz in “A
History of Mathematics (3rd Edition)” (Pearson, 2008), trigonometry ...