If `x=a cos^(2)theta,y=a sin^(2)theta.` then find `dy/dx`

If x=acos^3theta,y=a sin^3theta then find (d^2y)/(dx^(2))

If x = a sec^(3) theta, y =a tan ^(3) theta , then find (dy)/( dx) at theta = (pi)/(4) .

If x=acos^3theta,y=a sin^3theta, then find the value of d2y/dx2 at θ=π/6

If x = a cos^(3) theta, y = a sin ^(3) theta then sqrt(1+((dy)/(dx))^(2)) =?

If x = cos theta and y = sin^(3) theta, then |(yd ^(2)y)/(dx ^(2))+((dy)/(dx))^(2)|at theta=(pi)/(2) is:

If x=a\ cos^3theta,\ \ y=a\ sin^3theta , then sqrt(1+((dy)/(dx))^2)= (a) t a n^2theta (b) s e c^2theta (c) sectheta (d) |sectheta|

If x=3costheta-cos^3theta y=3sintheta-sin^3theta find dy/dx

Find dy/dx x=a\ cos^3theta , y=a\ sin^3theta

x =a tan theta ,y =b sec theta find dy/dx

If x=a(2theta-sin2theta) and y=a(1-cos2theta) find (dy)/(dx) when theta = pi/3