高一数学3月月考考试卷(PDF)答案VIP免费

第 1页-共 7 页积一时之跬步，臻千里之遥程2020 年和诚中学高一三月考试数学试题答案与解析一、填空题题号123456789101112答案ABCDCACCACAD1.A0,,0,0,33ABAB 2.B,tan0232,I  Ⅰ,Ⅲ,Ⅰ,Ⅱ Ⅲ,3.C121212212()()()=0,0=0kemeekekekm eke emkkm 不共线4.Dcos2cos22yxyx的周期T= ,则的周期T=5.C4416tansin= tansin3515    6.A(2 )()sin()( )2231()(4)()()sin()666662f xf xxf xTffff7.Csin,(,)2 2yx x  图像8.C1212,===abeeOCeeababOMOCab，菱形的对角线9.A1433(),=33BCCDACABADACADABAC即第 2页-共 7 页积一时之跬步，臻千里之遥程10.C2(),0,()( ),626271,()( ),( )sin(2)2663222()2622()63kkZkkffkfff xxkxkkZkxkkZ 取舍取成立的单增区间为解得11.A511( ),02881115223488355()2sin()2,81212xf xTTTf为图像的一条对称轴，为一个对称点，且又且12.D1234123412131423243421 cos()sin1,0,, ( )1 sin()22( ),0,4=2( ),0,4(01),,,,04,3,45,5,5,56,7g xxy g x xTy g x xyx x x xxxxxxxxxxxxxxxxx  又作 =的图像，如下图，，则 =与=有四个不同的交点横坐标满足且从四个数中任选两个，他4263们的和不超过5的概率为P=二、填空题13. 21(,0)4k 2121(),(,0)4244kkkxkzx点为对称点14. 3sin 2sin 2()sin(2)sin(2)6334302sin(2)1,3( )2233323( )303yxyxxyxxxxf xyf xaaa ===2的最小值为第 3页-共 ...