Mathematics, 18.03.2021 14:00 blueval3tine

Mostre que, em IR:
tan (2x) = $\frac{2 tanx}{1 - tan^{2}x }$

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Mostre que, em IR:
tan (2x) =...

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Mostre que, em IR: tan (2x) =

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Mostre que, em IR:
tan (2x) = $\frac{2 tanx}{1 - tan^{2}x }$