Sine Functions

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|ImageName=Where does a sine function come from?
|ImageName=Where does a sine function come from?
|Image=Sine curve drawing animation.gif
|Image=Sine curve drawing animation.gif
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|ImageIntro=y = sin x (where x = the angle in radians)--blue arc around circle at left corresponds in value to the blue line on the graph at right.
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|ImageDescElem=A sine function is an trigonometric function defined by the relationship between a given angle in a right triangle and the ratio of the length of the side opposite that angle to the length of the hypotenuse. The sine model is commonly used to illustrate periodic or regular occurrences such as sound/light waves, temperatures, tides, etc.
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|SiteName=Wikipedia
|SiteName=Wikipedia
|SiteURL=http://en.wikipedia.org/wiki/Sine
|SiteURL=http://en.wikipedia.org/wiki/Sine
|Field=Algebra
|Field=Algebra
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|Field2=Geometry
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|Field2=Geometry
|Field3=Graph Theory
|Field3=Graph Theory
|InProgress=No
|InProgress=No
}}
}}
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== Basic Description/Definition ==
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A sine function is an trigonometric function defined by the relationship between a given angle in a right triangle and the ratio of the length of the side opposite that angle to the length of the hypotenuse. The sine model is commonly used to illustrate periodic or regular occurrences such as sound/light waves, temperatures, tides, etc. The graph of a sine function appears wave-like, with one wave segment repeated continuously over the x-axis (see image).

Revision as of 15:49, 18 November 2012


Where does a sine function come from?

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Basic Description/Definition

A sine function is an trigonometric function defined by the relationship between a given angle in a right triangle and the ratio of the length of the side opposite that angle to the length of the hypotenuse. The sine model is commonly used to illustrate periodic or regular occurrences such as sound/light waves, temperatures, tides, etc. The graph of a sine function appears wave-like, with one wave segment repeated continuously over the x-axis (see image).

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