Trigonometri

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Cosine Zeros
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cos ( 3 x )
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a ⋅ cos ( b ⋅ x ) + c
Sinus-linje-intersektion
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Sider (2-punktsform)
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Omskreven cirkel
Med/uden regression
Uden regression
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Om-og-indskreven-cirkel
Parametrisk Toolbox
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Pythagoras (bevis)
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Triangles ( 4 ways )
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Trigonometri

Store bogstaver
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Vinkel- og Arealberegning
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Vilkårlig trekant
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Sinus-Right-Left-Fun
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Beregn vinkler og højde
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Pythagoras
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Heartbeat
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Rotation
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Heart
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Coloring by Restrictions
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Cardioid ( basic )
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Parallelogram
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Squares and Triangles
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Determine the blue Area
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Shorter Perimeter = ?
Radius R = ?
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Hexagon Spiral
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Isosceles Triangle
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Determine Alpha
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Ptolemy's Theorem 1

Ptolemy's Theorem 2

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Determine Alpha
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Two golden Radians
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Rectangle Area 1 = ?

Rectangle Area 2 = ?

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Chords Theorem
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