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() () () sin θ,cosθ, tanθ () 3 5 () 4 () 12 5 r y 13 x x = r cosθ () y = r sinθ y = x tanθ P P () () A C 2,24 C -9-
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4 4 4 1 0.5 4 10 30 13 30 10 11 12 13 14-14-
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NGO fh decision / neighbor / Lesson 1 bulletin / encourage / S+V rarely A Volunteer SVC/SVCOC SVC/SVCOC in Mali SVC/SVCOC SVC/SVCOC -17-
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2004 1983 2003 2002, 2003 2001, 2003 2004 http://www.nier.go.jp/kaihatsu/kou-sankousiryou/html/index.htm http://www.gifu-net.ed.jp/gec/ -21-