GRAPES - 1/Cos(x) derivative relation morph

So the relation is f'(x)*f'(y)=f'(xy), where f(x)=1/cos(x+a) and a is changing from 0 to 2*pi and the whole thing is looped three times. Yeah.
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GRAPES is the name of the software I used to make this

Видео GRAPES - 1/Cos(x) derivative relation morph канала Some dude