2021年高一数学下册暑假补充作业.pdf

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1、精品好资料欢迎下载2009 年高一数学暑假补充作业（5）数学2009.7一、选择题（每小题5 分，共 65 分）1)619sin(的值是()A.21B.21C.23D.232时钟的分针经过40 分钟时间旋转的角度是()A.34B.92C.92D.343.已知1sin1cos2，则cossin1的值是 ()A12B12C2 D 24sin163 sin 223sin 253 sin313()A12B12C32D325若,(0,)2，且sincos0，则()ABC2D26与图中曲线对应的函数是()A.y=|sin x|B.y=sin|x|C.y=-sin|x|D.y=-|sinx|7.(1+tan

2、25)(1+tan200)的值是()A.2 B.-2 C.1 D.-18.下列命题是真命题的是：ba/存在唯一的实数，使ab；ba/存在不全为零的实数，使a0b；a与b不共线若存在实数，使a0b，则0；a与b不共线不存在实数，使a0b()A和B和C和D 和9已知,7|,10ACAB则|BC的取值范围是()A 3，17 B（3，17）C3，10 D（3，10）|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 1 页，共 4 页精品好资料欢迎下载10函数 f（x）=cos(3x+)的图像关于原点中心对称的充要条件是（）A.=2B.=k +2(kZ)C.

3、=k (kZ)D.=2k -2(k Z)11为了得到函数)62sin(xy的图象，可以将函数xy2cos的图象（）A向右平移6个单位长度B向右平移3个单位长度C向左平移6个单位长度D向左平移3个单位长度12把函数 y=sin(2x+34)的图象向右平移(0)个单位，所得的图象关于y 轴对称，则的最小值是()A.65B.125C.32D.613已知关于x的方程012sin2sincos22axxx在区间02，内有解，则实数a的取值范围是 ()A11，B11，C01，D10，二、填空题（每小题5 分，共 25 分）14函数y=15sin(3x-3),0 x的周期是，振幅是，频率是，初相是 _151

4、e，2e是两个不共线的向量，已知AB212eke，CB213ee，CD212ee且DBA，三点共线，则实数k=16在ABC中，点D，E，F分别是BC，CA，AB的中点，则CFBEBCADAB17若 tan=2，则 2sin23sincos=。18若sin57cos，（0，），则 tan=。三、解答题（共 5 题，每题 12 分，共 60 分）19已知角是第三象限角，且)sin()tan()tan()2cos()sin()(f（1）化简)(f；|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 2 页，共 4 页文档编码:CQ8H8W10W4C10 H

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8、0 HI7F3W10R3C4 ZO4G8R7H9G1文档编码:CQ8H8W10W4C10 HI7F3W10R3C4 ZO4G8R7H9G1文档编码:CQ8H8W10W4C10 HI7F3W10R3C4 ZO4G8R7H9G1文档编码:CQ8H8W10W4C10 HI7F3W10R3C4 ZO4G8R7H9G1文档编码:CQ8H8W10W4C10 HI7F3W10R3C4 ZO4G8R7H9G1文档编码:CQ8H8W10W4C10 HI7F3W10R3C4 ZO4G8R7H9G1文档编码:CQ8H8W10W4C10 HI7F3W10R3C4 ZO4G8R7H9G1文档编码:CQ8H8W10W4C

9、10 HI7F3W10R3C4 ZO4G8R7H9G1文档编码:CQ8H8W10W4C10 HI7F3W10R3C4 ZO4G8R7H9G1文档编码:CQ8H8W10W4C10 HI7F3W10R3C4 ZO4G8R7H9G1文档编码:CQ8H8W10W4C10 HI7F3W10R3C4 ZO4G8R7H9G1文档编码:CQ8H8W10W4C10 HI7F3W10R3C4 ZO4G8R7H9G1文档编码:CQ8H8W10W4C10 HI7F3W10R3C4 ZO4G8R7H9G1文档编码:CQ8H8W10W4C10 HI7F3W10R3C4 ZO4G8R7H9G1文档编码:CQ8H8W10W4

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12、s)42sin(21)(（1）求)(xf的定义域；（2）设是第四象限角，且34tan，求)(f的值。21设91)2cos(，32)2sin(，且2，20，求)cos(的值22 已知函数 f(x)=Asin)2,0,0)(Ax的图像与 y 轴上的截距为 1，在相邻两最值点)0)(2,23()2,(000 xxx和上)x(f分别取得最大值和最小值.(1)求)x(f的解析式;(2)在区间423,421上是否存在)x(f的对称轴？请说明理由。23 已知定义在R上的函数()sincos(0,0,0)f xaxbxab的

13、周期为，()34f，且()f x的最大值为2。（1）写出()f x的表达式；（2）写出函数()f x的周期、对称中心、对称轴方程；（3）说明()f x的图象如何由函数2sinyx的图象经过怎样的变换得到。2009年高一数学暑假补充作业（5）参考答案|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 3 页，共 4 页文档编码:CQ8H8W10W4C10 HI7F3W10R3C4 ZO4G8R7H9G1文档编码:CQ8H8W10W4C10 HI7F3W10R3C4 ZO4G8R7H9G1文档编码:CQ8H8W10W4C10 HI7F3W10R3C4 Z

14、O4G8R7H9G1文档编码:CQ8H8W10W4C10 HI7F3W10R3C4 ZO4G8R7H9G1文档编码:CQ8H8W10W4C10 HI7F3W10R3C4 ZO4G8R7H9G1文档编码:CQ8H8W10W4C10 HI7F3W10R3C4 ZO4G8R7H9G1文档编码:CQ8H8W10W4C10 HI7F3W10R3C4 ZO4G8R7H9G1文档编码:CQ8H8W10W4C10 HI7F3W10R3C4 ZO4G8R7H9G1文档编码:CQ8H8W10W4C10 HI7F3W10R3C4 ZO4G8R7H9G1文档编码:CQ8H8W10W4C10 HI7F3W10R3C4

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21、TA这时)632sin(2)(xxf（2）,0,23)632sin(x故1)632sin(x即在423,421上不存在)(xf23.解：（1）)62sin(22cos2sin3)(xxxxf（2）T，对称中心（122k，0）对称轴62kx（3）将函数y=2sinx的图象向左平移6个单位，再将得到的函数图象上的所有的点的纵坐标不变，横坐标缩短为原来的21|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 4 页，共 4 页文档编码:CQ8H8W10W4C10 HI7F3W10R3C4 ZO4G8R7H9G1文档编码:CQ8H8W10W4C10 H

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关键词：: 2021 年高数学下册暑假补充作业

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