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If x=asin2t1+cos2t and y=bcos2t1-cos2t, show that at t=π4, dydx=bat=π4, dydx=ba

Answer» If x=asin2t1+cos2t and y=bcos2t1-cos2t, show that at t=π4, dydx=bat=π4, dydx=ba


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