1. Find a polar equation for the following curves in ?. x-axis. (a) (5 points) The line passing through through the origin at an angle of ~ with the positive 2 * 2 +4 = 1 2 = roost = rcost 51 = Cost 4 = rsino = r sin It y = sin T (b) (5 points) The circle of radius 5 centered at the cartesian point (2, 3). 2-52- 13# +2 ) + ( y+ 3 ) y = 3+ Sino