题目内容
定义在R上的偶函数f(x)满足f(x)=f(x+2),当x∈[3,4]时,f(x)= x-2,则
(A)f(sin)<f(cos
) (B)f(sin
)>f(cos
)
(C)f(sin1)<f(cos1) (D)f(sin)>f(cos
)
C
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题目内容
定义在R上的偶函数f(x)满足f(x)=f(x+2),当x∈[3,4]时,f(x)= x-2,则
(A)f(sin)<f(cos
) (B)f(sin
)>f(cos
)
(C)f(sin1)<f(cos1) (D)f(sin)>f(cos
)
C