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2015--2016三角函数专题训练.pdf

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1、2015-2016 高考三角函数专题冲刺训练(一)-函数图像1、函数()2sin()(0,)22f xx的部分图像如图所示，则、的值分别是（）（A）2，3（B）2，6（C）4，6（D）4，32、“”是“曲线sin(2)yx过坐标原点的”（）（A）充分而不必要条件（B）必要而不充分条件（C）充分必要条件（D）既不充分也不必要条件3、将函数3cossin()yxx xR的图像向左平移(0)m m个单位长度后，所得到的图像关于y轴对称，则m的最小值是（）（A）12（B）6（C）3（D）564、若函数()sin(2)f xx的图像沿x轴向左平移8个单位，得到一个偶函数的图像，则的一个可能取值为（）（A

2、）34（B）4（C）0 （D）45、为了得到函数sin(21)yx的图像，只需将函数sin2yx的图像上所有点（）（A）向左平移12个单位（B）向右平移12个单位（C）向左平移 1 个单位（D）向右平移 1 个单位yx2O351226、为了得到函数sin3cos3yxx的图像，可以将函数2sin3yx的图像（）（A）向右平移4个单位（B）向左平移4个单位（C）向右平移12个单位（D）向左平移12个单位7、若将函数()sin(2)4f xx的图像向右平移个单位，所的图像关于y轴对称，则的最小正值是8、函数()cos()f xx的部分图像如图，则()f x的单调减区间为（）（A）13(,),44k

3、kkZ（B）13(2,2),44kkkZ（C）13(,),44kkkZ（D）13(2,2),44kkkZ9、要得到函数sin(4)3yx的图像，只需要将函数sin4yx的图像（）（A）向左平移12个单位?（B）向右平移12个单位（C）向左平移3个单位?（D）向右平移3个单位10、下列函数中，最小正周期为且图象关于原点对称的函数是（）（A）cos(2)2yx（B）sin(2)2yx（C）sin2cos2yxx（D）sincosyxx11、长方形ABCD的边2AB，1BC，O是AB的中点，点P沿着边BC，CD与DA运动，记BOPx。将动点P到A、B两点距离之和表示为x的函数()f x，则()f x

4、的图像大致为（）文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:

5、CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 H

6、F2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA

7、2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编

8、码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4

9、 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3

10、ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J812，将函数()sin2f xx的图像向右平移(0)2个单位后得到函数()g x的图像，若对满足12()()2f xg x的12,x x，有12min3xx，则（）（A）512（B）3（C）4（D）613，函数2()4coscos()2sinln(

11、1)22xf xxxx的零点个数为14，已知函数()sin()(0,0,0)f xAxA的最小正周期为，当23x时，函数()f x取得最小值，则下列结论正确的是（）（A）(2)(2)(0)fff（B）(0)(2)(2)fff（C）(2)(0)(2)fff（D）(2)(0)(2)fff15，已知函数()sinf xx若存在1x、2x，mx满足1206mxxx，且12231()()()()()()12nnf xf xf xf xf xf x（2m，*mN），则m的最小值为2015-2016 高考三角函数专题冲刺训练(二)-恒等变形1、设sin2sin，(,)2，则tan2的值是2、函数3sin(2

12、)4yx的最小正周期为3、函数2sin22 3sinyxx的最小正周期T为4、设为第二象限角，若1tan()42，则sincos5、设当x时，函数()sin2cosf xxx取得最大值，则cos=文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E

13、9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7

14、G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X

15、6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C1

16、0E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4

17、J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T

18、1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J87，函数()sin(2)2sincos()f xxx的最大值为8，若

19、函数()cos2sinf xxax在区间(,)62是减函数，则a的取值范围是9，设02，向量(sin2,cos)ar，(cos,1)br，若arbr，则tan10，函数2()sinsincos1f xxxx的最小正周期是，单调递减区间是11，已知tan2，1tan()7，则tan的值为12，若tan2tan5，则3cos()10sin()513、设函数()sin()f xAx，0A，0，若()f x在区间,6 2上具有单调性，且2()()()236fff，则()f x的最小正周期为14，004cos50tan 40（）（A）2（B）232（C）3（D）2 2115，、设0sin33a，0cos

20、55b，0tan35c，则（）（A）abc（B）bca（C）cba（D）cab16、设(0,)2，(0,)2，且1sintancos，则（）（A）32（B）32（C）22（D）2218、0000sin 20 cos10cos160 sin10（）文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P

21、7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3

22、D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9

23、J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G

24、2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6

25、H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10

26、E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8（A）32（B）3

27、2（C）12（D）122015-2016 高考三角函数专题冲刺训练(三)-正余弦定理1、在锐角ABC中，角A、B所对的边长分别为a、b，若2 sin3aBb，则A（）（A）3（B）4（C）6（D）122、在ABC中，若1sincossincos2aBCcBAb且ab，则B（）（A）6（B）3（C）23（D）563、在ABC中，若coscossinbCcBaA，则ABC的形状为（）（A）锐角三角形（B）直角三角形（C）钝角三角形（D）不确定4、如图，在ABC中，已知点D在BC边上，ADAC，22sin3BAC，3 2AB，3AD，则BD的长为5、如图，从气球A上测得正前方的河流的两岸B、C的俯角

28、分别为067、030，此时气球的高度为46m，则河流的宽度BC约等于米。（用四舍五入法将结果精确到个位，参考数据：0sin 670.92，0cos670.39，0sin370.6，0cos370.8，31.73）6、在ABC中，已知tanAB ACAuu u r uuu r，当6A时，ABC的面积为7、在ABC中，060A，4AC，2 3BC，则ABC的面积为8、钝角三角形ABC的面积是12，1AB，2BC，则AC（）文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY

29、4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2

30、T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V

31、7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:

32、CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 H

33、F2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA

34、2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编

35、码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8（A）5 （B）5（C）2 （D）19、在ABC中，若22()6cab，3C，则ABC的面积（）（A）3 （B）9 32（C）3 32（D）3 310、已知a、b、c分别为ABC的三个内角A、B、C的对边，2a，且(2)(sinsin)()sinbABcbC，则ABC面积的最大值为11、ABC的内角A、B、C满足1sin 2sin()sin()2AABCCAB，面积满足12S，记a、b、c分别为A、B、C所对的边，则下列

36、不等式一定成立的是（）（A）()8bc bc（B）()16 2ab ab（C）612abc（D）1224abc12、在ABC中，4a，5b，6c，则sin 2sinAC13、若锐角ABC的面积为10 3，且5AB，8AC，则BC14、设ABC的内角A、B、C的对边分别为a、b、c。若a=3，1sin2B，6C，则15、如图，一辆汽车在一条水平的公路上向正西行驶，到A处时测得公路北侧一山顶D在西偏北030的方向上，行驶 600m后到达B处，测得此山顶在西偏北075的方向上，仰角为030，则此山的高度CD m。16、在ABC中，内角,A B C所对的边分别为,a b c，已知ABC的面积为3 15

37、，2bc，1cos4A，则a的值为17、在ABC中，0120B，2AB，A的角平分线3AD，则AC文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:

38、CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 H

39、F2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA

40、2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编

41、码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4

42、 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3

43、ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J82015-2016 高考三角函数专题冲刺训练(四)1、已知函数22()sinsin()6f xxx，xR。（1）求()f x最小正周期；（2）求()f x在区间,34

44、上的最大值和最小值。2、已知函数2()2sincos2sin222xxxf x。（1）求()f x的最小正周期；（2）求()f x在区间,0上的最小值。3、已知函数2sin()sin3 cos2fxxxx。（1）求()f x的最小正周期和最大值；（2）讨论()f x在2,63上的单调性。4、已知函数()4cossin()(0)4f xxx的最小正周期为。（1）求的值；（2）讨论()f x在区间0,2上的单调性。2015-2016 高考三角函数专题冲刺训练(五)5、已知函数1()cos(sincos)2f xxxx。（1）若02，且2sin2，求()f的值；（2）求函数()f x的最小正周期及单

45、调递增区间。6，.某实验室一天的温度（单位：0C）随时间t（单位：h）的变化近似满足函数关系()103 cossin1212f ttt,0,24)t.文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2

46、T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V

47、7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:

48、CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 H

49、F2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA

50、2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编码:CY4J7G2P7A4 HF2T1X6H3D3 ZA2V7C10E9J8文档编

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