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[" 2) If "x=e^(cos2t)y=e^(sin2t)" frove ...

[" 2) If "x=e^(cos2t)y=e^(sin2t)" frove that "],[(dy)/(dx)=(-y log x)/(x log y)]

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If x,=e^(cos2t) and y=e^(sin2t), prove that (dy)/(dx),=-(y log x)/(x log y)

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