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Author:
Elizabeth McCollum
GeoGebra
<DEF is a straight angle. Find m<DEC and m<CEF.
Set Up: 11x-12+2x+10=180. Solve.
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Position Vector and Derivative Vector
apec
Quadratic Equations: the Geometry of the Relationships Between the Coefficients and the Solutions
Right Triangle Trig Ratios: sin, cos, tan
Thales' Intercept Theorem
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Addition zweier komplexer Zahlen
Radical Number Construction
Complex number multiplication
Reflection of a Spline About a Circle 12/20/18
Behold, a surface
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Equations
Real Numbers
Trigonometric Functions
Linear Programming or Linear Optimization
Scalene Triangles