I7=,dd +(I)  1Courier NewSymbol New1Courier New1Courier NewTimes New RomanTimes New Roman1Courier New1Courier New1Courier New1Courier NewX0}VX0}VX0}VX0}V ?/ <```@@@?~~~~~ԱޱޱԱ޿޿ph (((Pdd}d<o p {2 3333333@33333333333333@33333333333333@???@@@@@@033333??@^ߛOw?̌???:8Ic@ V@@?@ @@@s6ր??@?@?@@dddddddddddddddddddddddddddddddddddddddd d2??QQ@$$$QQ@???????QQ@9E[ ? z|,̀ 6cos(2t)t0(r,t) = (2cos(2t),t); 0.000000 <= t <= 6.2831906.01 0.00000;6.011P1P2???$$$@????????@ "#$ %&'<`>06pi/4(x,y) = (0,2)2???$$$@????????@$IJ60pi/4(x,y) = (2,0)2???$$$rF????????rF() *$+(,,-0.@-3pi/3pi/4(r,t) = (-1,pi/3)2???$$$CrF@?????????CrF@?  $ 3pi/6pi/4(r,t) = (1,pi/6)2???$$$????????4/80<1@2D3H4L5-60pi/4(x,y) = (-2,0)2???$$$????????(,048<@( 0-6pi/4(x,y) = (0,-2)2???$$$rF ?????????rF ?P6T7X8\9`:d;h<H35pi/6pi/4(r,t) = (1,5pi/6)2???$$$]?rF????????]?rFDHLPTX\T-32pi/3pi/4(r,t) = (-1,2pi/3)2???$$$t?x@|ABC,-1102???$$$