函数与三角函数恒等变换
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/07/09 02:58:50
已知函数f(x)=sin2x+sinxcosx+2cos2x,x∈R.求函数的最小正周期和单调增区间。 望详细
![](http://img.wesiedu.com/upload/3/3e/33efb672171540c8a9850e920b46bb11.jpg)
![](http://img.wesiedu.com/upload/3/3e/33efb672171540c8a9850e920b46bb11.jpg)
![函数与三角函数恒等变换](/uploads/image/z/17286-6-6.jpg?t=%E5%87%BD%E6%95%B0%E4%B8%8E%E4%B8%89%E8%A7%92%E5%87%BD%E6%95%B0%E6%81%92%E7%AD%89%E5%8F%98%E6%8D%A2)
解题思路: 先化简已知函数解析式然后求解
解题过程:
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![](http://img.wesiedu.com/upload/3/3e/33efb672171540c8a9850e920b46bb11.jpg)
最终答案:略
解题过程:
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![](http://img.wesiedu.com/upload/3/3e/33efb672171540c8a9850e920b46bb11.jpg)
最终答案:略