I"5k,dd   1Courier NewSymbol New1Courier New1Courier NewTimes New RomanTimes New Roman1Courier New1Courier New1Courier New1Courier New0:Q<0:Q<0:Q<0:Q<}d< p {@@@@@?@@@@@@@@033333??@^ߛOw?̌???H:@(H@@?@ @@@d%O}Q@@@d-2??h!@$$$@???????@@t"x#|$%&'(X?8dt-100cos(pi*t/20)+100=(x,y) = (t,-100cos(pi*t/20)+100); 0.000000 <= t <= 92.000000PP2???$$$????????XJ?00pi/4(x,y) = (0,0)2???$$$@@????????@@)*+,-./A(M20200pi/4(x,y) = (20,200)2???$$$@????????@ēȔ̕ЖMM400pi/4(x,y) = (40,0)2???$$$@@????????@@0123456TNN60200pi/4(x,y) = (60,200)2???$$$@????????@ԗؘܙr\_800pi/4(x,y) = (80,0)2???$$$@@????????@@789:;<=_$`100200pi/4(x,y) = (100,200)2???$$$@????????@``1200pi/4(x,y) = (120,0)tyzJXT@@@@@@@@@@@@@@@@@@@@@@@@@@@@ Hh Hh Hh(x,y) = (t,-100cos(pi*t/20)+100); 0.000000 <= t <= 92.0000002Ċ@jS- |@Ħ(x,y) = (0,0)6,1/2)1P 2Ċ3333333@|(x,y) = (20,200)/2)2Ċ@fffffff\o@4(x,y) = (40,0)05,1/2) Ԫ2Ċ@fffffff6. =@(x,y) = (60,200) OOO2Ċ@[Ƭ@ijw$U hU(x,y) = (80,0)2Ċ@gO@\(x,y) = (100,200)/2)0)+100); 0.000000 <= t <= 124.5000002Ċ@m@(x,y) = (120,0)2Ċ@/#@