如图，已知[tex=1.571x1.286]aR1a8Eu3rZLX3flcxLOVFw==[/tex]是[tex=1.571x1.286]fyE3LBxTKh2vAJHvxikdUA==[/tex]的直径，[tex=1.571x1.286]ukjsaMKlckZbkeC3IvycHQ==[/tex]是[tex=1.571x1.286]fyE3LBxTKh2vAJHvxikdUA==[/tex]的切线，[tex=1.571x1.286]GR+gOKATLrooL2uSJljbKg==[/tex]平行于弦[tex=1.571x1.286]x09/AHqLRN9oCOYNZklqfA==[/tex]，过点[tex=0.857x1.286]s+r8LBAs3scxfl88DGExcg==[/tex]作[tex=4.429x1.286]EWfQqJ+hh0wwP0wey8B3Br2Ab3HzgjeWhN3ObBmyfog=[/tex]于点[tex=0.786x1.286]YggwMQ4w3PxfhkmL0NfgdQ==[/tex]，连接[tex=1.571x1.286]isotx5z8tmSlkvJ01wOD4g==[/tex]，与[tex=1.643x1.286]gzzYJbLZse0pwwq5U6e2Ew==[/tex]交于点[tex=0.786x1.286]dSWbQCTjdbLxKy7q0ps2gg==[/tex]，问[tex=1.571x1.286]Bpbs4vJTi29F8I3nN+RqPA==[/tex]与[tex=1.643x1.286]NLKpKiXOY1FUOe0/2kiUSA==[/tex]是否相等？证明你的结论。[p=align:center][img=349x324]1786d40d829431f.png[/img]