ZΆΜ½ίΜwΜΏβXPART302
‘ ±ΜXbhΝίOqΙΙi[³κΔ’ά·
0581 ρΕ‘ΝΰvX AdkZFxa49I
2011/06/29( ) 21:10:04.55AΜΦΜΕεlΖΕ¬lπίζB
y=cos2X-2sinX+1(0 X 2Ξ)
y=1-2sin^2X-2sinX+1
=-2sin^2X-2sinX+2
sinX=y ρΕ‘zΖ¨Ζ
0 X 2Ξζθ
-1 sinX 1
-1 y ρΕ‘z 1
y=-2y ρΕ‘z^2-2y ρΕ‘z+2
-1 y ρΕ‘z 1ΜΝΝΕΕεlΖΕ¬lπίιB
Otπ’Δ.......
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‘ ±ΜXbhΝίOqΙΙi[³κΔ’ά·