題目列表(包括答案和解析)
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]
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] |
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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