peluza
peluza
23-10-2014
Mathematics
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For what numbers ∅ is f(∅) = tan ∅ not defined?
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Аноним
Аноним
25-10-2014
[tex]f(\phi)=tan\phi\ is\ not\ de fined\ for\ \phi=\frac{\pi}{2}+k\pi\ where\ k\in\mathbb{Z}.[/tex]
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