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任意角三角函数的概念

> 已知函数f（x）= 2 sin（2x+ π 4 ）．（1）求函数f（x）的最小正周期及单调增区间；（2）当x∈[- π 4 ， π 4 ]时，求函数f（x）的最大值及最小值．

问题：

发布时间：2024-09-11

已知函数f（x）=

2

sin（2x+

π

4

）．
（1）求函数f（x）的最小正周期及单调增区间；
（2）当x∈[-

π

4

，

π

4

]时，求函数f（x）的最大值及最小值．

参考答案：

提问用户：Gf***poj

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已知函数f（x）= 2 sin（2x+ π 4 ）． （1）求函数f（x）的最小正周期及单调增区间； （2）当x∈[- π 4 ， π 4 ]时，求函数f（x）的最大值及最小值．

可能感兴趣的题目：

已知函数f（x）=

2

sin（2x+

π

4

）．
（1）求函数f（x）的最小正周期及单调增区间；
（2）当x∈[-

π

4

，

π

4

]时，求函数f（x）的最大值及最小值．