Find the equations of the tangent and the normal to the curve `4x^2+9y^2=36` at `(3costheta,\ 2sintheta)` at indicated points.

Find the equations of the tangent and the normal to the curve x^ 2 - 4y^2 = 9 at the points (5,-2)

Find the equations of the tangent and the normal to the curve (x^2)/(a^2)+(y^2)/(b^2)=1 at (acostheta,\ bsintheta) at the indicated points

Find the equations of the tangent and the normal to the curve c^2(x^2+y^2)=x^2\ y^2 at (c/(costheta),\ c/(sintheta)) at the indicated points

Find the equations of the tangent and the normal to the curve c^2(x^2+y^2)=x^2\ y^2 at (c/(costheta),\ c/(sintheta)) at the indicated points

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.

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.

Find the equations of the tangent and the normal to the curve x=3costheta-cos^3theta,\ \ y=3sintheta-sin^3theta

Find the equations of the tangent and the normal to the curve x=theta+sintheta , y=1+costheta at theta=pi//2 at indicated points.

Find the equations of the tangent and the normal to the curve x=theta+sintheta , y=1+costheta at theta=pi//2 at indicated points.

Find the equations of the tangent and the normal to the curve x=3costheta-cos^3theta,\ \ y=3sintheta-s in^3theta