Beats

Author:Denis

Let we listen two sounds of slightly different frequencies at the same time. Then we can hear some periodic variations of volume with a long period. Please be carefull! Before using headphones, set Volume control on Minimum!

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Reflection Across 2 Parallel Lines
Reflection = 180° Rotation about a Line
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Reflection across a line
Equation of Locus - Parabola

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Difference of two squares
Problem Set 1
Quadratic in Turning Point Form
a smiley
LnA: Sum of Exterior Angles of Polygons

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Numbers
Exponent
Stochastic Process or Random Process
Binomial Distribution
Normal Distribution