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

If x and y are connected parametrically by the equations given, without eliminating the parameter, Find (dy)/(dx) . x=a(cost+logtan((t)/(2))), y=asint

Find (dy)/(dx) if y=sin(2x)

Find (dy)/(dx) : x=a{cost+1/2logt a n^2t/2} and y=asint .

Find dy/dx if x=a(cost+logtan(t//2)) and y=a sin t

If x and y are connected parametrically by the equations without eliminating the parameter, Find dy/dx x = a (cost + log tan (t/2)), y = a sint

Find (dy)/(dx) if y= cos^2x

Find (dy)/(dx) if y=2^(x^(x))

Find (dy)/(dx)if 2=(x+y)^2

Find (dy)/(dx)," if "x-y =2pi .