Relationship between a tangent graph and a cubic graph

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I noticed how tangent and cubic functions both produce cubic graphs. What exactly is the relationship between them?

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1 Answer

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If you sketch the graph by hand, both the graphs appear to be same. But, here's the actual graph. Note that, $\tan x$ has vertical asymptotes at $x=\pm π/2$ and rapidly increases after $x=π/4$. Also, see the curvature of both the graphs, they are different.

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