x=2cos t-cos2t,y=2sin t-sin2t

If x=2cost-cos2t,y=2sint-sin2t," then "(dy)/(dx)=

If x=2cost-cos2t , y=2sint-sin2t ,then at t=(pi)/(4) , (dy)/(dx)=

If x=2cost-cos2t , y=2sint-sin2t ,then at t=(pi)/(4) , (dy)/(dx)=

If x=2cost-cos2t ,y=2sint-sin2t ,"f i n d"(d^2y)/(dx^2)"a t"t=pi/2dot

If x=2cost+cos2t,y=2 sint-sin2t , then (dy)/(dx) at t=(pi)/(4) is

At any two points of the curve represented parametrically by x=a(2cos t-cos2t);y=a(2sin t-sin2t) the tangents are parallel to the axis of x corresponding to the values of the parameter t differing from each other by :

If x=2cott+cos2t,y=2sint-sin2t,"find "(dy)/(dx)"at t"=(pi)/(4)

If x= 2cost+cos 2t,y=2sin t-sin 2t ,then " at " t= ( pi)/(4) ,(dy)/(dx)

x= 2 cos t -cos 2t ,y=2 sin t-sin 2t Find d y / d x

x= 2 cos t -cos 2t ,y=2 sin t-sin 2t Find d y / d x