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任意角三角函数的概念

> 已知函数f（x）=2asinxcosx+2cos 2x，且f（ π 3 ）=2 （1）求a的值，并写出函数f（x）的最小正周期；（2）求函数f（x）在[0， π 2 ]内的最值和取到最值时的x值．

问题：

发布时间：2024-09-12

已知函数f（x）=2asinxcosx+2cos ²x，且f（

π

3

）=2
（1）求a的值，并写出函数f（x）的最小正周期；
（2）求函数f（x）在[0，

π

2

]内的最值和取到最值时的x值．

参考答案：

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已知函数f（x）=2asinxcosx+2cos 2x，且f（ π 3 ）=2 （1）求a的值，并写出函数f（x）的最小正周期； （2）求函数f（x）在[0， π 2 ]内的最值和取到最值时的x值．

可能感兴趣的题目：

已知函数f（x）=2asinxcosx+2cos ²x，且f（

π

3

）=2
（1）求a的值，并写出函数f（x）的最小正周期；
（2）求函数f（x）在[0，

π

2

]内的最值和取到最值时的x值．