I)=,dd +(I)  1Courier NewSymbol New1Courier New1Courier NewTimes New RomanTimes New Roman1Courier New1Courier New1Courier New1Courier New S FV S FV S FV S FV?/ <```@@@?~~~~~ԱޱޱԱ޿޿ph (((Pdd}d< p {2@HzG?033333@̌@p= ףp??X??@@@@@@033333??@^ߛOw?̌???|G@,DT@@?@ @@@,u}M?P;Z,?@?@?@@dddddddddddddddddddddddddddddddddddddddd d2??h!@$$$@???????@pI?H4\KLW(,tcos(t)0(x,y) = (t,cos(t)); -4.000000 <= t <= 14.05000014.350;14.35PPd2??h!@$$$`(\@???????`(\@pI? P\g`L]P^-tcos(t)/(x,y) = (-t,cos(t)); 4.000000 <= t <= 4.2300004.23000 0;4.230002???$$$̄?@???????P+u? abcdefg ?T4h@?-4.15.414.35.4seg (-8,.4) to (18,.4)2???$$$xGz??????????xGz?? 1.16.4pi/4(x,y) = (1.16,.4)2???$$$ .@????????? .@?hijkmno| 1.16+2*pi.4pi/4(x,y) = (1.16+2*pi,.4)2???$$$P+6@?????????P+6@? t@ 1.16+4*pi.4pi/4(x,y) = (1.16+4*pi,.4)tyzJXT@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ @ @(x,y) = (t,cos(t)); 0 <= t <= 14.35 14.35000@(L@0?(x,y) = (-t,cos(t)); 0 <= t <= 4.23000230000@(L3333333@p۬segment (-4.15,.4)<-->(14.35,.4)/2)# t@(L3333333@qeǏ?Lt@#Lt@#LtH(x,y) = (1.16,.4)@(L@fffffff/?(x,y) = (1.16+2*pi,.4)TB@(L@fffffffqeǏ?(x,y) = (1.16+4*pi,.4)Iܡ1P@(L@fffffff/?