I?,dd   1Courier NewSymbol New1Courier New1Courier NewTimes New RomanTimes New Roman1Courier New1Courier New1Courier New1Courier New0:Q00:Q00:Q00:Q0{d< p {??fffffff?2333333?????@@@@@@033333??@^ߛOw?̌???q<:@.<PiPi@@?@ @@@?@@2??@????????|H|? x0l&Bԣaaٳ?u@  1-(x^2+y^2) x^2+y^2=1PP2??@d3d3??????8<@DHLPHȽ00 -sqrt(2)/2 -sqrt(2)/2%seg (0,0) to (-sqrt(2)/2,-sqrt(2)/2)PPd2??h!@$$$YnS@???????.17#r = .17; 0.000000 <= t <= 3.926990PP2???$$$d3?d3?????????d3?d3?TX\`dhl sqrt(2)/2 sqrt(2)/2pi/4(x,y) = (sqrt(2)/2,sqrt(2)/2)d2??h!@$$$dp2????????ġȢ̣Фԥئt$H#T.24#r = .24; 0.000000 <= t <= 0.7853972??@d3d3?d3?d3???????ptx|x+`+\ sqrt(2)/2 sqrt(2)/2 -sqrt(2)/2 sqrt(2)/24seg (sqrt(2)/2,sqrt(2)/2) to (-sqrt(2)/2,sqrt(2)/2)2??@d3d3d3d3???????ܧ,-.l/, -sqrt(2)/2 sqrt(2)/2 -sqrt(2)/2 -sqrt(2)/26seg (-sqrt(2)/2,sqrt(2)/2) to (-sqrt(2)/2,-sqrt(2)/2)2??@d3?d3??????? lX00 sqrt(2)/2 sqrt(2)/2#seg (0,0) to (sqrt(2)/2,sqrt(2)/2)2???$$$d3d3????????d3d3 0x -sqrt(2)/2 -sqrt(2)/2pi/4 (x,y) = (-sqrt(2)/2,-sqrt(2)/2)xyzJXT@&Bԣaaٳ?@@@@@@@@@@@@@@@@@@@@@@@@@@@ < < < x^2+y^2=18f@/c2w\? seg (0,0) to (-sqrt(2)/2,-sqrt(2)/2)ؚ@pc?` r = .17; 0.000000 <= t <= 3.926990ؚ?4333333Pԓ?(x,y) = (sqrt(2)/2,sqrt(2)/2))ؚ?@htuJr = .24; 0.000000 <= t <= 0.785397ؚ?ҶmR˵seg (sqrt(2)/2,sqrt(2)/2) to (-sqrt(2)/2,sqrt(2)/2)ؚ?@htuJJ ?A@seg (-sqrt(2)/2,sqrt(2)/2) to (-sqrt(2)/2,-sqrt(2)/2)ؚ?ҶmR˵seg (0,0) to (sqrt(2)/2,sqrt(2)/2)ؚ?@htuJ(x,y) = (-sqrt(2)/2,-sqrt(2)/2)2))*\ *\6=ؚ?ҶmR˵\\\\ `\%E\|'\%