Q. 243.5( 2 Votes )

Find , when

If x = a sin 2t (1 + cos 2t) and y = b cos 2t (1 – cos 2t), show that at

Answer :

considering the given functions,


x = asin 2t(1 + cos 2t) and y = b cos 2t(1-cos2t)


rewriting the above equations,


x = a sin 2tsin 4t


differentiating bove function with respect to t, we have,


……(1)


y = b cos 2t - b


differentiating above function with respect to t, we have,


……(2)


| from equation 1 and 2


At t



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