函数g(x)=2sin(2x减6分之派)的单调递减区间为?急

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函数g(x)=2sin(2x减6分之派)的单调递减区间为?急

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2026-08-10 18:32:10

2kπ+π/2≤2x-π/6≤2kπ+3π/2时,函数单调递减∴2kπ+2π/3≤2x≤2kπ+5π/3∴kπ+π/3≤2≤kπ+5π/6即单调件区间为[kπ+π/3,π+5π/6] k∈Z

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  • 纯情的人生
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    2026-08-10 18:32:10

    2kπ+π/2≤2x-π/6≤2kπ+3π/2时,函数单调递减∴2kπ+2π/3≤2x≤2kπ+5π/3∴kπ+π/3≤2≤kπ+5π/6即单调件区间为[kπ+π/3,π+5π/6] k∈Z

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