高中数学代数与函数一函数练习题82
题目内容

函数y=cos 2(2x+ http://picflow.koolearn.com/upload/2013-06/05/acc0f812-e6fe-4650-b9b5-6ee818500326/paper.files/image001.png)-sin 2(2x+ http://picflow.koolearn.com/upload/2013-06/05/acc0f812-e6fe-4650-b9b5-6ee818500326/paper.files/image001.png)的最小正周期是(  )

2021-08-04

A.http://picflow.koolearn.com/upload/2013-06/05/acc0f812-e6fe-4650-b9b5-6ee818500326/paper.files/image002.png

B.2http://picflow.koolearn.com/upload/2013-06/05/acc0f812-e6fe-4650-b9b5-6ee818500326/paper.files/image002.png

C.4http://picflow.koolearn.com/upload/2013-06/05/acc0f812-e6fe-4650-b9b5-6ee818500326/paper.files/image002.png

D.http://picflow.koolearn.com/upload/2013-06/05/acc0f812-e6fe-4650-b9b5-6ee818500326/paper.files/image003.png

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