Talk:Trigonometric function: Difference between revisions

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imported>Aleksander Stos
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==Big cleanup==
==Big cleanup==

Latest revision as of 05:47, 15 November 2007

This article is basically copied from an external source and has not been approved.
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 Definition:  Function of an angle expressed as the ratio of two of the sides of a right triangle that contains that angle; the sine, cosine, tangent, cotangent, secant, and cosecant. [d] [e]
Checklist and Archives
 Workgroup category:  Mathematics [Categories OK]
 Talk Archive:  none  English language variant:  British English

Big cleanup

Deleted images

  • Image:Circle-trig6.svg|300px|right|thumb|All of the trigonometric functions of an angle θ can be constructed geometrically in terms of a unit circle centered at O.
  • Image:Trigonometry triangle.svg|right|thumb|A right triangle always includes a 90° (π/2 radians) angle, here labeled C. Angles A and B may vary. Trigonometric functions specify the relationships between side lengths and interior angles of a right triangle.
  • Image:Unit_circle_angles.svg|300px|thumb|right|The unit circle
  • Image:Sine cosine plot.svg|300px|right|thumb|The f(x) = sin(x) and f(x) = cos(x) functions graphed on the cartesian plane.
  • Image:Sine ani.gif|right|400px|thumb|A sin(x) animation which shows the connection between circle and sine.
  • Image:Tangent.svg|300px|right|thumb|The f(x) = tan(x) function graphed on the cartesian plane.
  • Image:Circle-trig6.svg|300px|right|thumb|All of the trigonometric functions can be constructed geometrically in terms of a unit circle centered at O.
  • Image:Taylorsine.svg|300px|thumb|right|The sine function (blue) is closely approximated by its Taylor polynomial of degree 7 (pink) for a full cycle centered on the origin.
  • Image:Synthesis_square.gif|thumb|350px|right|Animation of the additive synthesis of a square wave with an increasing number of harmonics
  • Image:LissajousCurve5by4.PNG|right|thumb|right|A Lissajous curve, a figure formed with a trigonometry-based function.
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