The Cosine and the Unit Circle

Topic:Circle, Cosine, Trigonometry, Unit Circle

The applet uses the unit circle to demonstrate how the cosine varies as the central angle changes. The Unit Circle has a diameter of one unit and is centred at x-y coordiates of 0,0

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bewijs stelling van Pythagoras
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Reflection = 180° Rotation about a Line
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Circle Passing Through 3 Points

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C0406X04
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Guided Practice
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