Geogebra Demonstrations

- 2007-12-12 [Trig] Six Trig Functions Placing the trig functions on the unit circle as line segments
- 2007-12-15 [Trig] Winter Solstice Explore why we have seasons on Earth. Special Case: Oakland, CA.
- 2009-01-21 [Geom] Angles in a Semicircle A look at angles inscribed in a semicircle
- 2009-01-22 [Geom] Perpendicular Bisector An emulated C&S Euclidean construction
- 2009-01-26 [Geom] Geometry Chapter 8-1 stuff (geogebra file)
- 2009-01-30 [Trig] General Form of a Sine Wave
- 2009-02-03 [Trig] Plotting Sine and Cosine from a Circle
- 2009-02-03 [Functions] Adding two functions point by point
- 2009-02-06 [Geom] Secant Chord Related Areas
- 2009-02-06 [Algebra] y=mx+b
- 2009-03-24 [Trig] Angle Sum Identities, a geometric approach.
- 2009-03-24 [Trig] Law of Sines, construction
- 2009-04-13 [Geom] Similar Rectangles
- 2009-05-27 [Conics] Constructed Hyperbola and Ellipse
- 2009-05-28 [Conics] Very Large Array and Parabolas
- 2009-06-10 [Sequences] Infinite sums of geometric sequences if a_2 = 2
- 2009-10-05 [Geom] Given segments of length 3 4 5 arranged as shown, what is the area of the square with corners A and D? (Math Club POW2 solution)
- 2009-10-13 [Geometry] Finding the Epicenter of the 1989 San Francisco Bay Area Earthquake (1989-10-17)
- 2009-10-31 [Geometry] The Triangle Inequality