Visualizing $(\cos(x+y),x)$ or similar?
Seems a bit complicated.
$\cos(x)$ is the usual, but I don't understand how it behaves in this kind of situation.
Visualizing $(\cos(x+y),x)$ or similar?
Seems a bit complicated.
$\cos(x)$ is the usual, but I don't understand how it behaves in this kind of situation.
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