Find `(dy)/(dx)` if `x=a(cost+tsint)` and `y=a(sint-tcost)`

Find (dy)/(dx) if x=asqrt(cos2t) cost and y=asqrt(cos2t) sint then, find ((dy)/(dx)|)_(t=pi//6)

Find (dy)/(dx) , if x=a(cost+logtant/2) , y=asint

Find (dy)/(dx),x=sint,y=cos2t

Find (dy)/(dx) , when x=a(t+sint) and y=a(1-cost).

If x and y are connected parametrically by the equations given in, without eliminating the parameter, find dy/dx . x=a(cost+tsint),y=a(sint-tcost)

Find (dy)/(dx), if y=12(1-cost), x=10(t-sint)

Find (d^(2)y)/(dx^(2)) in the following x=a(cost+tsint),y=a(sint-tcost)

Find (dy)/(dx) , if y=12(1-cost) , x=10(t-sint)