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Find dy/dx by implicit differentiation: 4 cos x sin y = 2

User MattK
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1 Answer

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Hello,

f(x,y)=4cos x sin y-2

@f/@x=-4sin x sin y

@f/@y=4 cos x cos y

dy/dx=-(@f/@x)/(@f/@y)=sin x sin y/(cos x cos y)=tg x * tg y
User NitroxDM
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