Id,dd   1Courier New1Symbol New1Courier New1Courier NewTimes New RomanTimes New Roman1Courier New1Courier New1Courier New1Courier New0:Q<0:Q<0:Q<0:Q<{d< p {???4333333?????@@@@@@033333??@^ߛOw?̌???zH:@4H  @@?@ @@@ƱD?@@2??@????????HWA?d:h;l<p=t>x?|@AЊCX?gWWd@ d 1-(x^2+y^2) x^2+y^2=1PP2??@z?`ܲ???????hBlCpDtExF|GHp x 00 cos(.485) sin(.485)#seg (0,0) to (cos(.485),sin(.485))PP2??h!@fffffff????????IJKLMNO h ` @+ D !.27#r = .27; 0.000000 <= t <= 0.450000PPd2??h!@$$$?????????-Œ_,?PQRSTUV!â?O OOOx(x,y) = (t-.35,.49sqrt(t)-.3); 0.020000 <= t <= 0.310000?丼4333333?tK;WHy(x,y) = (cos(.485),sin(.485))丼4333333?7uwd(x,y) = (0,0)?丼4333333?Ш-