I7=,dd +(I)  1Courier NewSymbol New1Courier New1Courier NewTimes New RomanTimes New Roman1Courier New1Courier New1Courier New1Courier NewX,9VdX,9VdX,9VdX,9Vd ?/ <```@@@?~~~~~ԱޱޱԱ޿޿ph (((Pdd}d<_ p {2 fffffff@3333333@3333333@33333333333333??X??@@@@@@033333??@^ߛOw?̌???98Ic@Vd@@?@ @@@7uow* ?.w?@?@?@@dddddddddddddddddddddddddddddddddddddddd d2??h!@$$$@???????@U?`dhlptx,,| tcos(t)0(x,y) = (t,cos(t)); -4.000000 <= t <= 10.000000 10.00000-4.00000;10.00000PPd2??h!@$$$@)\(\@???????)\(\@L,? ,$,(,,,0,4,8,$|O*t9ԟ,Pv9D,H,-tcos(t)/(x,y) = (-t,cos(t)); 4.000000 <= t <= 4.2300004.230004.00000;4.23000d2??h!@$$$@???????@U? m9n9o9p9q9r9s9(, 9  p t -cos(2t)2(x,y) = (t,-cos(2t)); -4.000000 <= t <= 10.000000 10.00000-4.00000;10.00000d2??h!@$$$@)\(\@???????)\(\@U? <,@,D,H,L,P,T,,w9y9X9|9X  -t -cos(2t)1(x,y) = (-t,-cos(2t)); 4.000000 <= t <= 4.2300004.230004.00000;4.23000tyzJXT@@@@@@@@@@@@@@@@@@@@@@@@@@@@H& H& H& (x,y) = (t,cos(t)); -4.000000 <= t <= 10.000000N]@= OO?1Courier New ,(x,y) = (-t,cos(t)); 4.000000 <= t <= 4.230000N]3333333@Q1Courier New ȏ,(x,y) = (t,-cos(2t)); -4.00000 <= t <= 10.0000000N]@fffffffq e?1Courier New ,(x,y) = (-t,-cos(2t)); 4.00000 <= t <= 4.2300000N]@fffffffйG ?1Courier New @@@h!@