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Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,*,*,第六章单元检测,【,答案,】A,一、选择题,(,每小题,5,分,共,75,分,),【,答案,】C,【,答案,】B,【,答案,】C,【,答案,】B,5.sin(,x,-,y,)cos,y,+cos(,x,-,y,)sin,y,=(),A.cos,x,B.sin,x,C.cos,x,cos2,y,D.sin,x,sin2,y,【,答案,】B,【,答案,】D,【,答案,】C,【,答案,】D,【,答案,】C,【,答案,】B,【,答案,】C,【,答案,】B,13.,设,f,(,x,)=(,ax,2,+1)sin,x,其中,a,为常数,则,f,(,x,),是,(),A.,既是奇函数又是偶函数,B.,奇函数,C.,既非奇函数也非偶函数,D.,偶函数,【,答案,】C,【,答案,】B,三、解答题,(,共,50,分,),
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