Wiki source code of cos

Last modified by Administrator on 2020/08/13 18:57
Show last authors
1 h1. Notations of cosine
2
3 In mathematics, the cosine of an angle is the ratio of the length of the adjacent side to the length of the hypotenuse.
4
5 h3. Description of this symbol
6
7 - Cos in [OpenMath|http://www.openmath.org/cd/transc1.xhtml#cos]
8 - It seems that cos is not in MathML
9 - Cos also is described in [MathWord|http://mathworld.wolfram.com/Cosine.html] and in [Wikipedia|http://en.wikipedia.org/wiki/Trigonometric_functions#Cosine]
10
11 ----
12
13 h3. Observations of Cos
14
15 Put your observations here...
16
17 h4. Arabic (Saudi Arabia, Egypt, Kuwait and some other provinces)
18
19 !cos1-ar.png|align=right! In the example on the right we find the cosine function (???) is represented in Arabic context and it is called '??? ????'.
20 [Find the example in page 48 in the math highschool book|Census.Bibliography#saudi_mathHighschool1_part2]
21 [Download and preview the book|http://wiki.math-bridge.org/download/attachments/1212431/math+highschool+1+part+2.pdf]
22
23 \\
24
25 h4. English
26 !cos1-en.png|align=right! The English book [Calculus with analytic geometry|Census.Bibliography#Calculus-withAnalyticGeometry] shows cosine function in page 38.
27 [Go directly to the example in google book links|http://books.google.com/books?id=jTmuOwwGDwoC&lpg=PP1&pg=PA38#v=onepage&q&f=false]
28
29 \\
30
31 h4. German
32 !cos1-de.png|align=right! 'Kosinusfunktion' symbol is represented in the example on the right, from the German book [Mathematischer Begleiter zur Experimentalphysik|Census.Bibliography#MathematischerBegleiterzurExperimentalphysik]
33 page number 50.
34 [Find the example in google books link|http://books.google.com/books?id=dj_Hyy3Uvt8C&lpg=PA195&dq=Euler-Mascheroni-Konstante&pg=PA50#v=onepage&q&f=false]
35
36 \\
37
38 h4. Dutch
39 !cos1-nl.png|align=right! The Dutch book [Continue wiskunde|Census.Bibliography#ContinueWiskunde-Lodder] shows the cosine function in page number 43, and it is called 'cosinus' in Dutch context.
40 [Download and preview the book|http://www.open.ou.nl/evv/nkbw/limieten.pdf]
41
42 \\
43
44 h4. Finnish
45 !cos1-fi.png|align=right! We find also cosine function in the Finnish book [MAOL-taulukot|Census.Bibliography#MAOL-taulukot-Otava2005] page 25, and it is called 'Kosini' in Finnish context.
46 [Download and preview the book|http://matriisi.ee.tut.fi/~miilumak/material/]
47
48 \\
49
50 ----
51
52 h3. Encoding the observations of cos
53 [See encodings|http://devdemo.activemath.org/mathbridge/tools/symbolpresentation.cmd?order=by+Theory&lang=x-all&fmt=html&clipCoordinate=1&noApplet=true&omsource=%3COMOBJ%3E%0D%0A++++++%3COMA%3E%0D%0A++++++++%3COMS+cd%3D%22transc1%22+name%3D%22cos%22+%2F%3E%0D%0A++++++++%3COMV+name%3D%22x%22+%2F%3E%0D%0A++++++%3C%2FOMA%3E%0D%0A++++%3C%2FOMOBJ%3E&submit=View]
54
55 \\
56
57 ----
58
59
60
61
62
63
64