How do you implicitly differentiate $- 1 = x y + {cot}^{2} (\frac{x}{y})$ $-1=xy+cot^2(x/y)$ ?

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Answer 1 · 2018-04-09T15:41:47

see the pic

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by using partial differnetiation we differentiate implicit function

in last multiply numerator with -1 i forget to multiply

How do you implicitly differentiate -1=xy+cot^2(x/y) −1=xy+cot2(xy)-1=xy+cot^2(x/y) ?