Precalculus – parametric equations and Polar coordinates

Precalculus – parametric equationsYou+can+learn+about+it+too.+Check+out+http://www.khanacademy.org/video/parametric-equations-1You+can+learn+about+it+too.+Check+out+http://www.khanacademy.org/video/parametric-equations-2You+can+learn+about+it+too.+Check+out+http://www.khanacademy.org/video/parametric-equations-3You+can+learn+about+it+too.+Check+out+http://www.khanacademy.org/video/parametric-equations-4 Polar coordinatesYou+can+learn+about+it+too.+Check+out+http://www.khanacademy.org/video/polar-coordinates-1You+can+learn+about+it+too.+Check+out+http://www.khanacademy.org/video/polar-coordinates-2You+can+learn+about+it+too.+Check+out+http://www.khanacademy.org/video/polar-coordinates-3