" 9.If "x=a(cos theta+theta sin theta),y=a(sin theta-theta cos theta)," find "(dy)/(dx)" when "theta=(pi)/(4)

If x = a(cos theta + theta sin theta), y = a (sin theta - theta cos theta), (dy)/(dx) =

If x = a(cos theta + theta sin theta), y = a (sintheta - theta cos theta), dy/dx =

If x =a (cos theta + theta sin theta ), y =a (sin theta - theta cos theta ) then (dy)/(dx) =

If x =a (cos theta +theta sin theta ), y =a (sin theta -theta costheta ) ,then (dy)/(dx) =

x = a (cos theta + theta sin theta), y = a (sin theta - theta cos theta) . then find dy/dx

If x = a (cos theta + theta sin theta) and y = a (sin theta - theta cos theta) , find (d^2y)/(dx^2) at t = pi/4 .

If x=a(2 theta-sin2 theta) and y=a(1-cos2 theta) find (dy)/(dx) when theta=(pi)/(3)