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High School Algebra II and Trigonometry
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Demonstrations 61  80 of 169
Most Common Angles
Geometry of Logarithms
Ellipse and Friends
Parabolic Envelope from Congruent Triangles
Sin/Cos Function Game
Sliding the Roots of Quadratics
Drawing an Ellipse Using Circles and Lines
Golden Spiral
Binomial Theorem
A Rotating Reuleaux Triangle
Cofunction Identities for Sine and Cosine
Synthetic Division (Ruffini's Rule)
Relations and Functions between Small Sets
A Visual Proof of the DoubleAngle Formula for Sine
The ThreeChord Lemma
Laws of Exponents
Polynomial Long Division
Dintzl's Law of Cosines Dissection
Harmonic Oscillation
Hunger's Law of Cosines Dissection
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