Sine

Pronunciation: /saɪn/ Explain

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Manipulative 1: Sine. Created with GeoGebra.

Sine is defined to be equal to the length of the side opposite the angle divided by the length of the hypotenuse.[1] In manipulative 1, click on the blue points and drag them to change the figure.

sine=opposite/hypotenuse; sine=1/cosecant
Figure 1: Sine Equations.

References

  1. Fine, Henry B., Ph. D.. Number-System of Algebra Treated Theoretically and Historically. 2nd edition. pp 28-29,47-48. www.archive.org. D. C. Heath & Co., Boston, U.S.A.. 1907. Last Accessed 12/19/2009. http://www.archive.org/stream/thenumbersystemo17920gut/17920-pdf#page/n37/mode/1up/search/sine. Buy the book
  2. Hutton, Charles. A Course in Mathematics, Volume II. 4th edition. pg 2. www.archive.org. G. & J. Robinson. 1804. Last Accessed 1/21/2010. http://www.archive.org/stream/courseofmathemat02huttrich#page/2/mode/1up/search/cosecant. Buy the book

More Information

  • McAdams, David E. Cosecant. allmathwords.org. All Math Words Encyclopedia. Life is a Story Problem LLC. 3/12/2009. http://www.allmathwords.org/en/c/cosecant.html.

Cite this article as:

McAdams, David E. Sine. 5/5/2011. All Math Words Encyclopedia. Life is a Story Problem LLC. http://www.allmathwords.org/en/s/sine.html.

Image Credits

Revision History

12/19/2009: Added "References". (McAdams, David E.)
10/30/2008: Changed manipulative to GeoGebra. (McAdams, David E.)
4/30/2008: Initial version. (McAdams, David E.)

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