I e,dd   1Courier NewSymbol New1Courier New1Courier NewTimes New RomanTimes New Roman1Courier New1Courier New1Courier New1Courier New0:Q<0:Q<0:Q<0:Q<{d< p {??fffffff?2333333?????@@@@@@033333??@^ߛOw?̌???}H:@HLjLj@@?@ @@@6P?@@2??@????????|H|?x|H<&Bԣaaٳ?u@ d 1-(x^2+y^2) x^2+y^2=1PP2??@SeB׳??????|$p|tD00-1/2 -sqrt(3)/2seg (0,0) to (-1/2,-sqrt(3)/2)PPd2??h!@$$$*k @???????,$#.17#r = .17; 0.000000 <= t <= 4.188790PP2???$$$SeB׳????????SeB׳-1/2 -sqrt(3)/2pi/4(x,y) = (-1/2,-sqrt(3)/2)d2??h!@$$$*k ????????*`*p+.24#r = .24; 0.000000 <= t <= 1.0471982??@?SeB׳?SeB׳???????L4\+1/2 sqrt(3)/21/2 -sqrt(3)/2(seg (1/2,sqrt(3)/2) to (1/2,-sqrt(3)/2)2??@SeB׳?SeB׳??????  -`H0-0-1/2 -sqrt(3)/21/2 -sqrt(3)/2*seg (-1/2,-sqrt(3)/2) to (1/2,-sqrt(3)/2)2??@?SeB׳???????$(,048<E8223X32001/2 sqrt(3)/2seg (0,0) to (1/2,sqrt(3)/2)2???$$$?SeB׳??????????SeB׳?@DHLPT(YF1/2 sqrt(3)/2pi/4(x,y) = (1/2,sqrt(3)/2)xyzJXT@&Bԣaaٳ?@@@@@@@@@@@@@@@@@@@@@@@@@@@ H H H x^2+y^2=18f@/c2w\?,seg (0,0) to (-1/2,-sqrt(3)/2)2)/2)ؚ@pc?r = .17; 0.000000 <= t <= 4.188790ؚ?4333333Pԓ?(x,y) = (-1/2,-sqrt(3)/2)/2))ؚ?@htuJTr = .24; 0.000000 <= t <= 1.047198ؚ?ҶmR˵ seg (1/2,sqrt(3)/2) to (1/2,-sqrt(3)/2)sqrt(2)/2)ؚ?@htuJJ ?Aseg (-1/2,-sqrt(3)/2) to (1/2,-sqrt(3)/2)-sqrt(2)/2)ؚ?ҶmR˵|seg (0,0) to (1/2,sqrt(3)/2)2)/2)ؚ?@htuJ4(x,y) = (1/2,sqrt(3)/2)t(2)/2)2))*\ *\6=ؚ?ҶmR˵\\\\ `\%E\|'\%