(adsbygoogle = window.adsbygoogle || []).push({}); [SOLVED] The partial derivatives of arctan(y/x)

let w = arctan(y/x)

the partial derivatives are:

dw/dx and dw/dy

i know that the derivative or arctan(x) is 1/(1+x^2).

so for dw/dy, i get (1/ 1 + (y^2/x^2) ) * (1/x) = x/(x^2 + y^2) ??? correct?

how do i find dw/dx?

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# The partial derivatives of arctan(y/x)

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