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

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

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

Find the value of dy/dx at theta = pi/4 , if: x = acos(theta)(sin theta-cos theta) and y = ae^(theta)(sin theta+ 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), when x=ae^(theta)(sin theta-cos theta),quad y=ae^(theta)(sin theta+cos theta)

Find (dy)/(dx), when x=ae^(theta)(sin theta-cos theta),y=ae^(theta)(sin theta+cos theta)

Find (dy)/(dx) in the following x = e^theta (sin theta + cos theta), y = e^(theta) (sin theta - cos theta)

Find dy/dx , if x=sintheta-cos theta and y=sintheta+cos theta

Find (dy)/(dx), when x=a(cos theta+theta sin theta) and y=a(sin theta-theta cos theta)

Find (dy)/(dx) if x= 3 cos theta - cos 2theta and y= sin theta - sin 2theta.