`x=a(theta-sintheta)` , `y=a(1+costheta)` , find `dy/dx`

If x=a(theta+sintheta) and y=a(1-costheta) , find dy//dx .

if x = a(theta-sintheta), y=(1+costheta) , then (dy)/(dx) is equal to

Find (dy)/(dx) if x=a(theta-sintheta) and y=a(1-costheta) .

Find the slopes of the tangent and the normal to the curve x=a(theta-sintheta) , y=a(1+costheta) at theta=-pi//2

Find (dy)/(dx) , if x=a(theta+sintheta), y=1(1-costheta) .

If y=a(theta+sintheta),x=a(1-costheta)," then "(dy)/(dx)=

Find the slopes of the tangent and the normal to the curve x=a(theta-sintheta),\ \ y=a(1-costheta) at theta=pi//2

Find the equations of the tangent and the normal to the curve x=a(theta+sintheta),\ \ y=a(1-costheta) at theta at indicated points.