+80 (a) Describe the graph of the parameterization \(x=1-cos\left(2t\right),\:y=cos\:t\).
(b) Describe the graph of the equation \(\rho =sin\:\phi \left(6cos\theta \:-\:8sin\theta \right)\) in spherical coordinates.
(c) Parameterize the equation \(9x^2-36x+4y^2+24y+36=0\).
(d) Parametrize the equation \(3x^2+4y^2-5z^2=0\) using two parameters.
