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Definition of Sine, Cosine and Tangent
Author:
John Gresham
Drag the slider to change the angle. Click on and drag point P to change the values of x, y, and r. Observe that the trig ratios are unchanged.
GeoGebra
Tarleton State University
New Resources
Dissections by Guillermo Bautista
Exploring the Derivative of a Quadratic Function
Poorly Drawn Parallelograms 3
Tutorial: Create lists of numbers and objects
Finding Average Rate of Change of a Function
Discover Resources
Arithmetic Sequence Sum
Construction 03: Ruler & Protractor Postulate
Equilateral Triangle Construction
Circles
數甲上2-2例11
Discover Topics
Symmetry
Random Variables
Definite Integral
Means
Plane Figures or Shapes