0
less than or equal to "t" less than or equal to
1
18
equals
19
0
less than or equal to "t" less than or equal to
1
20
Tangentens ligning
21
( P₁ ; P₂ ) = Røringspunktets
22
koordinater trækkes fra
23
cirkelcentrets koordinater:
24
equals
25
equals
26
Dermed fås en normalvektor,
27
som vi kan indsætte i linjens
28
ligning ( x - x₀ ) + ( x - y₀ ) = 0
29
sammen med røringspunktets
30
koordinater ( P₁ ; P₂ ):
31
32
33
Som det fremgår, har P₁ og P₂
34
erstattet x₀ og y₀ i linjens ligning.
35
Punkter
36
46
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Examples
Lines: Slope Intercept Form
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Lines: Point Slope Form
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Lines: Two Point Form
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Parabolas: Standard Form
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Parabolas: Vertex Form
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Parabolas: Standard Form + Tangent
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Trigonometry: Period and Amplitude
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Trigonometry: Phase
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Trigonometry: Wave Interference
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Trigonometry: Unit Circle
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Conic Sections: Circle
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Conic Sections: Parabola and Focus
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Conic Sections: Ellipse with Foci
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Conic Sections: Hyperbola
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Polar: Rose
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Polar: Logarithmic Spiral
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Polar: Limacon
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Polar: Conic Sections
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Parametric: Introduction
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Parametric: Cycloid
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Transformations: Translating a Function
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Transformations: Scaling a Function
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Transformations: Inverse of a Function
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Statistics: Linear Regression
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Statistics: Anscombe's Quartet
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Statistics: 4th Order Polynomial
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Lists: Family of sin Curves
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Lists: Curve Stitching
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Lists: Plotting a List of Points
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Calculus: Derivatives
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Calculus: Secant Line
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Calculus: Tangent Line
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Calculus: Taylor Expansion of sin(x)
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Calculus: Integrals
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Calculus: Integral with adjustable bounds
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Calculus: Fundamental Theorem of Calculus
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