2008 NewCurriculum Question 11 Single-choice Differentiating 2008_老新课标卷 (2008·文) 11、函数 ( ) $cos 2 2sinf x x x= +$的最小值和最大值分别为( ) A. -3,1B. -2,2C. -3, 32D. -2, 32 Answer keyC ☆ SaveCan't do it, show the explanation查看原卷 →