I)d=,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@@033333hfffff@??X??@@@@@@033333??@^ߛOw?̌???uG@DT @@?@ @@@n֤?P;Z?@?@?@@dddddddddddddddddddddddddddddddddddddddd 2???$$$h!?????????h!?  $(,048$h$pi/20pi/4(x,y) = (pi/2,0)PP2???$$$?????????? <@DHLPT%01pi/4(x,y) = (0,1)2???$$$h!@????????h!@ X\`dhlpt%pi-1pi/4(x,y) = (pi,-1)2???$$$˖@????????˖@ tx|`'T3pi/20pi/4(x,y) = (3pi/2,0)2???$$$h!@?????????h!@? ('2pi1pi/4(x,y) = (2pi,1)2???$$$©JS@????????©JS@ )5pi/20pi/4(x,y) = (5pi/2,0)2???$$$˖@????????˖@ )t)3pi-1pi/4(x,y) = (3pi,-1)2???$$$;M@????????;M@ *7pi/20pi/4(x,y) = (7pi/2,0)?d22???$$$h!@?????????h!@?  P++4pi1pi/4(x,y) = (4pi,1)2UT8d2??h!@$$$HzG@???????HzG@+_O?   $!(",#(0aTlHtcos(t)0(x,y) = (t,cos(t)); -0.200000 <= t <= 13.20000013.33-0.20000;13.33d2??h!@$$$hfffff@???????hfffff@+_O? $(,048<@)<-tcos(t)/(x,y) = (-t,cos(t)); 0.000000 <= t <= 5.2000005.200000.00000;5.20000tyzJXT@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @4 @4 @4q=ԃ`4=F@xkvD@RJ)?L &W?Symbolew Roman y=<=LYA!1P=dOO{Wi?@TQMl?B!??Times New Roman  (x,y) = (pi/2,0)/2)1P B(3333333@Pkh(x,y) = (0,1)0)/2)j P@fffffffW+? (x,y) = (pi,-1)5,1/2) ԪB(@fffffff^I?(x,y) = (3pi/2,0) OOOB(@_g?ijw$U hU(x,y) = (2pi,1)B(@`L?H(x,y) = (5pi/2,0)/2)0)+100); 0.000000 <= t <= 124.500000B(@a ?(x,y) = (3pi,-1)B(@b`*?(x,y) = (7pi/2,0)EkLB(@8\d՘f?p(x,y) = (4pi,1)B(@b`*?( (x,y) = (t,cos(t)); -0.20000 <= t <= 13.330000,*QPB(@8\d՘f?@_?4$5hբ? (x,y) = (-t,cos(t)); 0.00000 <= t <= 5.200000B(@b`*?