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andrea723
 3 years ago
find the derivative f(x)=tan^(1) (x/7)
andrea723
 3 years ago
find the derivative f(x)=tan^(1) (x/7)

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Nodata
 3 years ago
Best ResponseYou've already chosen the best response.1Do you know how to find the derivative of tan^(1) ?

Nodata
 3 years ago
Best ResponseYou've already chosen the best response.1let's use the chain rule.

Nodata
 3 years ago
Best ResponseYou've already chosen the best response.1we know that \[\frac{dy}{dx}=\frac{dy}{du}\frac{du}{dx}\]

Nodata
 3 years ago
Best ResponseYou've already chosen the best response.1So \[\frac{dy}{dx}=\frac{1}{1+u^2}\frac{1}{7}\]

Nodata
 3 years ago
Best ResponseYou've already chosen the best response.1\[\frac{dy}{dx}=\frac{1}{1+(x/7)^2}\frac{1}{7}\]

Nodata
 3 years ago
Best ResponseYou've already chosen the best response.1Do you have any question?

andrea723
 3 years ago
Best ResponseYou've already chosen the best response.0its that whole thing right? 1/1+(x/7)^2*1/7???
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