Difference between revisions of "Activities/Turtle Art/Tutorials/Trigonometry"

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Trigonometry got its start in Sumerian astronomy with the division of the circle into 360 degrees, and with the study of similar triangles, but did not become systematic until Hipparcos. The three principal trig functions are defined as in this diagram.
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== Turtle Art/Tutorials/Trigonometry ==
  
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[[File:TrigFnDefs.svg]]
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Read at https://help.sugarlabs.org/turtleart_tutorials/trigonometry.html
  
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In this diagram based on a unit circle the tangent function of the given angle is the length of a tangent (Latin ''tangere'', touch) to the circle, and the secant is the length of a secant (Latin, ''secare'', cut) from the center of the circle, cutting the circle and extending to the end of the tangent. The measure of the angle is the length of the circular arc. This is known as radian measure.
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The source file has been moved to [https://github.com/godiard/help-activity/blob/master/source/turtleart_tutorials/trigonometry.rst GitHub]

Latest revision as of 08:37, 28 July 2018

Turtle Art/Tutorials/Trigonometry

Read at https://help.sugarlabs.org/turtleart_tutorials/trigonometry.html

The source file has been moved to GitHub

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