I)m~=,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<o p{2@@@???@@@@@@033333??@^ߛOw?̌???wG@PDT@@?@ @@@Px-9U?P;ZP?@?@?@@dddddddddddddddddddddddddddddddddddddddd 2???$$$????????`00pi/4(x,y) = (0,0)1P1P2???$$$E:F?4 ?????????E:F?4 ?lp·t÷xķ|ŷƷd1pi/12pi/4(r,t) = (1,pi/12)2???$$$?HeB׳??????????HeB׳?lipjtkxl|mno0`ssqrt(3)pi/6pi/4(r,t) = (sqrt(3),pi/6)2???$$$`3?`3?????????`3?`3?pg|h2pi/4pi/4(r,t) = (2,pi/4)2???$$$`eB׳??????????`eB׳??ptx|Hhssqrt(3)pi/3pi/4(r,t) = (sqrt(3),pi/3)2???$$$4 ?E:F?????????4 ?E:F?Đȑ̒ГԔؕܖx15pi/12pi/4(r,t) = (1,5pi/12)d2??h!@$$$8EGr?????????g?@NDOHPLQPRTSXTj/|T 2sin(2t)t0(r,t) = (2sin(2t),t); 0.000000 <= t <= 1.5708001.250000.00000;1.57080d2??h!@$$$8EGr????????ףp= ?PxG5?dhlhijkd)dt)D2ȕ 2sin(2t)t0(r,t) = (2sin(2t),t); 0.000000 <= t <= 1.570800 0.4200000.00000;1.570802???$$$8eB׳?????????8eB׳? f -sqrt(3)2pi/3pi/4(r,t) = (-sqrt(3),2pi/3)2???$$$`3?h3????????`3?h3 $Ps-23pi/4pi/4(r,t) = (-2,3pi/4)2???$$$?HeB׳?????????HeB׳,ٸ0ڸ(,048g` -SQRT(3)5pi/6pi/4(r,t) = (-SQRT(3),5pi/6)d2??h!@$$$8EGr?p3܀@???????@PxG5?<@D H L P T htX, 2sin(2t)t0(r,t) = (2sin(2t),t); 1.570800 <= t <= 3.14159021.57080;3.14159d2??h!@$$$8EGr?p3܀@???????033333@PxG5?0 48X\`(D 2sin(2t)t0(r,t) = (2sin(2t),t); 1.570800 <= t <= 3.1415902.81.57080;3.141592???$$$8eB׳????????8eB׳̿¸|9:;̺|5sqrt(3)7pi/6pi/4(r,t) = (sqrt(3),7pi/6)2???$$$h3X3????????h3X3dhlp|PQTϳ25pi/4pi/4(r,t) = (2,5pi/4)2???$$$eB׳????????eB׳RSdefcsqrt(3)4pi/3pi/4(r,t) = (sqrt(3),4pi/3)2???$$$PeB׳?????????PeB׳?789:8<@ -sqrt(3)5pi/3pi/4(r,t) = (-sqrt(3),5pi/3)2???$$$X3p3?????????X3p3?@^DHLPTXDc-27pi/4pi/4(r,t) = (-2,7pi/4)2???$$$eB׳?????????eB׳?\`dhlpܐX -sqrt(3)11pi/6pi/4(r,t) = (-sqrt(3),11pi/6)d2??h!@$$$p3܀@˖@???????@PxG5? tx|HeB$XJO 2sin(2t)t0(r,t) = (2sin(2t),t); 3.141590 <= t <= 4.7123903.43.14159;4.71239d2??h!@$$$p3܀@˖@???????p= ףp@PxG5?`[d\h]l^p_t`xaЗLT``\ 2sin(2t)t0(r,t) = (2sin(2t),t); 3.141590 <= t <= 4.7123904.420003.14159;4.71239d2??h!@$$$˖@Xy@???????̤@PxG5?4̲8Ͳ<β,w0x4y8zdbxP 2sin (2t)t1(r,t) = (2sin (2t),t); 4.712390 <= t <= 6.2831905.154.71239;6.28319d2??h!@$$$˖@Xy@???????@PxG5?948<<{@|D}xdlik`6 2sin(2t)t0(r,t) = (2sin(2t),t); 4.712390 <= t <= 6.28319064.71239;6.28319xyzJXT@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ @ @(x,y) = (0,0)H$I$fffffff@fffffffH$I$@ܶ(r,t) = (1,pi/12))=