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Math

   Blog    Math   total 3 posts

Chords Envelop in Polygon
Math

The envelope of chords in a polygon

The envelope of chords in a circle has different pattern. By changing the circle to a polygon, we can have another version of envelope.

By D, 3 years3 years ago
Cardioid Chords Envelop
Math

The envelope of chords in a circle, the cardioid, the nephroid, and more line graphs

The envelope of chords in a circle, cardioid (k=2), nephroid (k=3) and other graphs from k = 1 to 129. This page shows 128 different chords patten in total.

By D, 3 years3 years ago
Math Logo
Math

The graphical illustration of sin(x+y)+sin(x-y)

There’s an fixed relationship between sin(x-y), sin(x) and sin(x+y). We can define a sequence from this. Moreover, we can draw some interesting figures.

By D, 3 years3 years ago
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