If `x = a sin2t(1+cos2t)` and `y =b cos 2t(1-cos2t)`, then show that `((dy)/(dx))_(t=pi//4) = (b)/(a)`.

x= a sin 2t(1 + cos2t) and y = b cos 2t(1- cos 2t) , show that [(dy/dx)_(t=pi/4) =b/a] .

If (x=a sin (2t)(1+cos(2t)) and (y=b cos (2t) (1- cos(2t)) , then show that ((dy/dx)_(t=pi/4) =b/a) .

Find (dy)/(dx) : x=a sin 2t (1+ cos 2t) and y= b cos 2t (1-cos 2t) show that, ((dy)/(dx))_(t = (pi)/(4))= (b)/(a)

If x = a sin 2t(1 + cos 2t) and y = b cos 2 t(1 – cos 2 t), show that ((d y)/(d x))_(at t =pi/4)=b/a.

If x=a sin2t(1+cos2t) and y=b cos2t(1-cos2t), show that at (pi)/(4),(dy)/(dx)=(b)/(a)

If x=asin2t(1+cos2t) and y=bcos2t(1-cos2t) , then show that at t=(pi)/(4),(dy)/(dx)=(b)/(a)

If x=asin2t(1+cos2t) and y=bcos2t(1-cos2t) , show that at t=pi/4 , (dy)/(dx)=b/a .