r*cos(t)>> y y = r*sin(t)>> t=0:0.5:2*pi;r=10;x=r*cos(t),y=r*sin(t)x = 10.0000 8.7758 5.4030 0.7074 -4.1615 -8.0114 -9.8999 -9.3646 -6.5364 -2.1080 2.8366 7.0867 9.6017 y = 0 4.7943 8.4147 ...