IV.,dd   1Courier NewSymbol New1Courier New1Courier NewTimes New RomanTimes New Roman1Courier New1Courier New1Courier New1Courier New0:Q<0:Q<0:Q<0:Q<}d< p {zGz?4333333GzG?Gz@̼dffffff????@@@@@@033333??@^ߛOw?̌???|H:@( H@j@j@@?@ @@@T O ?8@@@d2??h!@$$$(\@???????(\@n#O? @DHLPTXH4` t2sin(pi(t-(1/4)))-3<(x,y) = (t,2sin(pi(t-(1/4)))-3); -0.300000 <= t <= 3.090000PPd 2??h!@$$$\(\????????\(\? qRZظ?  $(,04p(%x$l(l-t2sin(pi(-t-(1/4)))-3=(x,y) = (-t,2sin(pi(-t-(1/4)))-3); 0.000000 <= t <= 0.3800002???$$$Gz@??????\`dhlpt+L-20-320-3seg (-20,-3) to (20,-3)2???$$$??????????8<@DHLP\.25-3pi/4(x,y) = (.25,-3)tyzJXT@@@@@@@@@@@@@@@@@@@@@@@@@@@@ H H H(x,y) = (t,2sin(pi(t-(1/4)))-3); -0.300000 <= t <= 3.080000gqe@fffffff/>ye$@T(x,y) = (-t,2sin(pi(-t-(1/4)))-3); 0.000000 <= t <= 0.380000gqe@fffffffgOqx? seg (-20,-3) to (20,-3)gqe3333333@[(x,y) = (.25,-3)\PTO OOgqefffffff@fffffff:Z r{ijw