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sinx的单调递减区间

更新时间: 2021-02-18 19:11:51     

1、求sinx的单调递减区间需要遵循规律:同增异减。

2、比如:y=sin(-2x+6分之派)的减区间怎么算?先提负号:y=-sin(2x-∏/6),要求该函数的减区间,那么sin(2x-∏/6)为增区间,即-∏/2+2k∏

关键词: sinx 单调 递减 区间

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