摘要:的单调区间为,k∈Z ...............6分
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设k∈Z,函数y=sin(
)sin(
)的单调递增区间为(
)
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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设k∈Z,函数y=sin(
)sin(
)的单调递增区间为( )
| A.[(2k+1)π,2(k+1)π] | B.[(k+ |
| C.[kπ,(k+ | D.[2kπ, (2k+1)π] |
设k∈Z,函数y=sin(
)sin(
)的单调递增区间为( )
A.[(2k-1)π,2kπ]
B.[(k+
)π,(k+1)π]
C.[kπ,(k+
) π]
D.[2kπ,(2k+1)π]
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A.[(2k-1)π,2kπ]
B.[(k+
C.[kπ,(k+
D.[2kπ,(2k+1)π]
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