Ben Rooney – Resources – GeoGebra

Sin Cos Tan curves
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Ben Rooney
Area and perimeter investigation
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Ben Rooney
Effect of varying a&b in a.sin(bx)
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Ben Rooney
Segment area
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Ben Rooney
The angle subtended from a diameter is 90
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Ben Rooney
Proof of Euclid Book III, Prop. 20
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Ben Rooney
Angles subtended from a common chord are equal
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Ben Rooney
Proof that the opposite angles in a cyclic quadrilateral sum to 180°
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Ben Rooney