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# 推荐精选内蒙古通辽实验中学2017-2018学年高一数学下学期期中试题 理

2017/2018 120 1 50 12 5 60 1. cos 20o cos80o +sin160o cos10o =( ) A. 1 B. 3 C. 1 D. 3 2 2 2 2 2. 10 () x1x2...x10 x s 100 10 () Ax s Bx 100s Cx s100 Dx 100s100 3. A {y | y2 y 0, y R}, B {y | y sin x, x R} A B = AR B (0,1] C (,1) D 4 f (x) sin 2x 4 0, 2 = A. -1 B. 2 2 C. 2 D. 0 2 5. a*b S (sin 5) *(cos 5) ( ) 12 12 A 2 3 B 3 4 4 C 1 4 D 2 3 4 6 ysinx3 ycosx ( ) A.3 B.3 C.56 D.56 7 a sin140 cos140 b sin160 cos160 c 6 a,b, c ( ) 2 A a b c B b a c C c b a D a c b 8. P(sin cos, tan) 0,2 ( ) A. , 3 , 5 2 4 4 B , 3 5 , 3 2 4 4 2 C , , 5 4 2 4 D , 3 3 , 2 4 4 9. y sin2x cos2x y sin2x cos2x A. 4 B. 4 C. 2 D. 2 10 f () cos( 2 ) sin( 3 2 ) f ( 25 ) cos( ) tan( ) 3 A 1 2 B 1 2 C 3 2 D 3 2 11 f (x) sin(2x ) cos(2x ) ( ) 4 4 A. y f (x) 0, 2 x 4 B. y f (x) 0, 2 x 2 C. y f (x) 0, 2 x 4 D. y f (x) 0, 2 x 2 12. f x f cos (x x, x 0, ) x 0, g x sin 2x f 2 3 A. 02 B. 2 C. 4 3 4 D. 3 4 , 5 4 II 90 4 5 20 . 13. ______ 14. m m ______ 15. ____________ 16. a ______ 6 70 . 17. 10 I tan =4 3 ,cos( + )=- 11 , 14 , cos .5 II sin 4, 52 . sin2 2sin cos 3sin2 cos2 5 18. ( 12 ) 0.50 0.42 100 [ 0,0.5 (0.5,1......(4,4.5] 9 . I a II 30 3 . 19( 12 ) f(x)=Asin( x )xR( A>0 >0,0< <2 ) M(23 2) I f(x) II x[0 ] f(x) 4 20. 12 f (t) 1t 1 t g(x) cos x f (sin x) sin x f (cos x) , x , 17 12 () g(x) Asin(wx ) B (A 0, w 0) 0, 2 () g(x) 21. 12 1 ,. ,, , 200 . 24 ,, 20 500 . 16 , 10 100 6 , y 0 16 17 18 19 20 21 x 1 ,y 1 , n . I n =19, y x II n 0.5, n III 100 19 , 20 , 100 ,, 1 19 20 22. 12 . I t 1 sin x 1 sin x t f (x) t g(t) II f (x) a [ , ] x f (x) 2 a . 22 2017/2018 1. cos 20o cos80o +sin160o cos10o =( ) A. 1 B. 3 C.

### 2017-2018学年内蒙古通辽五中高一(上)期末数学试卷.pdf

2017-2018学年内蒙古通辽五中高一(上)期末数学试卷 - 2017-2018 学年内蒙古通辽五中高一(上)期末数学试卷 一、选择题(本大题共 12 小题,每小题 5 分,共 60...