Sophia C.
asked 11/04/20The equation x sin y + y sin x = 1 implicitly defines y as a function of x. Use implicit differentiation to find dy/dx.
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1 Expert Answer
Patrick B. answered 11/05/20
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x sin y + y sin x = 1
x cos y y' + sin y + y cos x + y' sin x = 0
y' (x cos y + sinx) + (sin y + y cos x) = 0
y' = -(sin y + y cosx)/(x cos y + sin x)
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Paul M.
11/05/20