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01-05-2017
Mathematics

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What is the d/dx tan^3x

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01-05-2017

[tex]\frac{d}{dx}(tan^{3}x) = \frac{d}{dx}(tanx)^{3}[/tex]
[tex]= 3(tanx)^{2} \cdot sec^{2}x[/tex]

[tex]\therefore \frac{d}{dx}(tan^{3}x) = 3tan^{2}x \cdot sec^{2}x[/tex]

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