1 . 已知
.
(1)若函数
的最小正周期为
,求
的值及
的单调递减区间;
(2)若
时,方程
恰好有三个解,求实数
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abb6a2c3486c20ebcb208ac9f67bd885.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93e03ad0c315806342d6cd732a0b91a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93e03ad0c315806342d6cd732a0b91a3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3090ddd84cc8812cf688e52a3c4de388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51de671a05309f6becd0150411ea5fc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
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2022-09-02更新
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3卷引用:浙江省“山水联盟”2022-2023学年高三上学期8月返校联考数学试题