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׳???????|t-WtX00 -sqrt(3)/21/2seg (0,0) to (-sqrt(3)/2,1/2)PPd2??h!@$$$U16@???????,$#.17#r = .17; 0.000000 <= t <= 2.617994PP2???$$$SeB׳?????????SeB׳? -sqrt(3)/21/2pi/4(x,y) = (-sqrt(3)/2,1/2)d2??h!@$$$S???????? `4`@*.34#r = .34; 0.000000 <= t <= 0.5230002??@SeB׳?SeB׳????????F4\+ -sqrt(3)/21/2 sqrt(3)/21/2(seg (-sqrt(3)/2,1/2) to (sqrt(3)/2,1/2)2??@SeB׳?SeB׳????????  \H|0 sqrt(3)/21/2 -sqrt(3)/21/2(seg (sqrt(3)/2,1/2) to (-sqrt(3)/2,1/2)2??@SeB׳???????? $(,048<32t^X3200 sqrt(3)/21/2seg (0,0) to (sqrt(3)/2,1/2)2???$$$SeB׳??????????SeB׳?? @DHLPT(48 sqrt(3)/21/2pi/4(x,y) = (sqrt(3)/2,1/2)xyzJXT@&Bԣaaٳ?@@@@@@@@@@@@@@@@@@@@@@@@@@@ H H H x^2+y^2=18f@/c2w\?,seg (0,0) to (-sqrt(3)/2,1/2)2)/2)ؚ@pc?r = .17; 0.000000 <= t <= 2.617994ؚ?4333333Pԓ?(x,y) = (-sqrt(3)/2,1/2)/2))ؚ?@htuJTr = .34; 0.000000 <= t <= 0.523000ؚ?ҶmR˵ seg (-sqrt(3)/2,1/2) to (sqrt(3)/2,1/2)sqrt(2)/2)ؚ?@htuJJ ?Aseg (sqrt(3)/2,1/2) to (-sqrt(3)/2,1/2))-sqrt(2)/2)ؚ?ҶmR˵|seg (0,0) to (sqrt(3)/2,1/2)2)/2)ؚ?@htuJ4(x,y) = (sqrt(3)/2,1/2)t(2)/2)2))*\ *\6=ؚ?ҶmR˵\\\\ `\%E\|'\%