Mr Isbester – Resources – GeoGebra

Trigonometry with the unit circle
Book
Mr Isbester
Unit Circle
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Mr Isbester
Cos Funstion
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Mr Isbester
Ex 9:04
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Mr Isbester
Square of the length of the tangent
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Mr Isbester
Angle between a tangent and a chord
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Mr Isbester
Tangets to a circle have equal lengths
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Mr Isbester
Ex 9:02
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Mr Isbester
Ex 9:01
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Mr Isbester
Ex 9:03
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Mr Isbester
Cyclic quadrilaterals exterior angles
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Mr Isbester
Cyclic quadrilaterals
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Mr Isbester
Intersecting chords
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Mr Isbester
A line from the center the bisects a cord is always a right
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Mr Isbester
Equal chords are equidistant
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Mr Isbester
Angle in a semi circle
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Mr Isbester
Angles in the same segment of a circle are equal
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Mr Isbester
Equal angles equal chords/arc
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Mr Isbester
Angle at the center is twice at the circumference
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Mr Isbester