Find `(dy)/(dx),` when `x=a e^(theta)(sintheta-costheta),y=a e^(theta)(sintheta+costheta)`

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

Find (dy)/(dx), when x=a(theta+sintheta)a n dy=a(1-costheta)

Find the value of (dy)/(dx) at theta=(pi)/(4) if x=ae^(theta)(sintheta-costheta) and y=ae^(theta)(sintheta+costheta) .

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

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

Find the value of dy/dx" at "theta=pi/4 , if : x=ae^(theta)(sintheta-costheta)andy=ae^(theta)(sintheta+costheta) .

Find (dy)/(dx)ifx=a(theta-sintheta) and y=a(1-costheta)dot

Find (dy)/(dx)ifx=a(theta-sintheta) and y=a(1-costheta)dot

Find (dy)/(dx)ifx=a(theta-sintheta) and y=a(1-costheta)dot

If x=ae^(theta)(sintheta-costheta),y=ae^(theta)(sintheta+costheta)," then "((dy)/(dx))" at "theta=(pi)/(2) is