GIF89a<,<ڋ޼H扦ʞ~qK 3GFfKL*ciElJ2Z2`$s~kk_&!Vg`(C8E &鹨&Tj& #z FTef{+w| WZxU<=<('D],]{jmjU t+ι֖ S8M@wQE&_o ;\R}T-ixNrn̙LDDIΜBd4R6cǘ\kl>e\q*]dٟg 17sC%XweVj忔Ѧd M727 lX A@,: sI/ҳlC^ځm'ۼzÑW]OifT\F Ty.U]Y61J'\E]r߁q$Xau\vWAUA7 &6kŀf 9"V_7^ aDb큥 tT>iXy>i|ș~f\yb:l!Pu#9! )hoɂ>飖Rzhe jjj kJkފkk lKllqΆkNۂD)hW:j+~2rZ.` o{n"Xsvڐ*BGR(~VH-$>Zo3goԁn! \ !QC/Ih`E4!pz!F`raf ed9%-^)G\Ǧ/-Nv4YAT8IM<6wWC)-ά*fA!kfqu8VsĚ?pwFf16^v_n͵kefmW[w h?tĀy:i.KMG}Ung˩hM6|SE8Ȣ TE_9{hR!|t)*.Ur4mwᝍ,w:,TAe B]VTDkikE:p+dW '*lBPڡ qD,D! MathType001 2P2x,2y()=xcosa-ysina,xsina+ycosa()+a,b()             =xcosa-ysina+a,xsi(na+ycosa+b();