若对可导函数 f ( x ), g ( x ),当 x ∈[0,1]时,恒有 ,已知α、β是一个锐角三角形 的两个内角,且α≠β,记 F ( x )= ( g ( x ) ≠0),则下列不等式正确的是( )
A.
F ( sin α)$amp; F( sin β )
B.
F ( cos α)> F ( sinβ )
C.
F ( cos α)> F ( c os β)
D.
F ( cos α)< F ( cos β )
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