的單調(diào)區(qū)間為,k∈Z ...............6分 查看更多

 

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設(shè)k∈Z,函數(shù)y=sin()sin()的單調(diào)遞增區(qū)間為(   )  

A.[(2k+1)π,2(k+1)π]                     B.[(k+)π,(k+1)π]

C.[kπ,(k+) π]                         D.[2kπ, (2k+1)π]

 

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設(shè)k∈Z,函數(shù)y=sin()sin()的單調(diào)遞增區(qū)間為(   )  

A.[(2k+1)π,2(k+1)π] B.[(k+)π,(k+1)π]
C.[kπ,(k+) π]D.[2kπ, (2k+1)π]

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設(shè)k∈Z,函數(shù)y=sin()sin()的單調(diào)遞增區(qū)間為( )
A.[(2k-1)π,2kπ]
B.[(k+)π,(k+1)π]
C.[kπ,(k+) π]
D.[2kπ,(2k+1)π]

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設(shè)k∈Z,函數(shù)y=sin()sin()的單調(diào)遞增區(qū)間為( )
A.[(2k-1)π,2kπ]
B.[(k+)π,(k+1)π]
C.[kπ,(k+) π]
D.[2kπ,(2k+1)π]

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設(shè)k∈Z,函數(shù)y=sin()sin()的單調(diào)遞增區(qū)間為(   )  
A.[(2k+1)π,2(k+1)π] B.[(k+)π,(k+1)π]
C.[kπ,(k+) π]D.[2kπ, (2k+1)π]

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