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Unformatted text preview: change the value of the function? → Mixed variables are also possible: ( 29 , cos x f x y x y ye = + cos x df y ye dx = + cos x d df d y ye dy dx dy = + 2 sin x d f y e dy dx = + sin x yx f y e = + sin x df x y e dy = + sin x d df d x y e dx dy dx =+ 2 sin x d f y e dx dy = + sin x xy f y e = + ( 29 , cos x f x y x y ye = + Both answers are the same! π...
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 Fall '05
 Riggs
 Derivative, Differential Calculus, Hanford High School, Greg Kelly, dy dx dy, dx dy dx

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