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设集合M={y|y=|cos2x-sin2x|,x∈R},N={x||x-|<,...
设集合M={y|y=|cos
2x-sin
2x|,x∈R},N={x||x-
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|<
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,i为虚数单位,x∈R},则M∩N为( )
A.(0,1)
B.(0,1]
C.[0,1)
D.[0,1]
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