Đề kiểm tra Đại số và Giải tích 11 chương 1 (Lượng giác) trung tâm GDNN - GDTX Châu Thành - Hậu Giang - TOANMATH.com

Trung tõm GDNN-GDTX Chõu Thnh

KIM TRA 45 PHT TON 11
(10 cõu trc nghim)

H, tờn hc sinh:........................................................Lp .............................

Mó 212

I. TRC NGHIM KHCH QUAN ( 4 IM) ( HV lm bi 20 phỳt )
Hc viờn tr li cõu hi trc nghim vo ụ trng di õy:
Cõu 1 Cõu 2

Cõu 3

Cõu 4

Cõu 5

Cõu 6

Cõu 7

Cõu 8

Cõu 9

Cõu 10

Tr li
y = sin x

Cõu 1: Tp giỏ tr ca hm s
( 1;1)
[ 1;1]
A)
B)

l:
C)

( 1;1]

R

D)
0 x<

Cõu 2: Nghim ca phng trỡnh 2sin2x -3sinx + 1 = 0 tha iu kin


6
4
A. x= 0
B.
C. x=
ổ ử
ữ
2cos ỗỗỗx + ữ
=1
ữ

ữ
ỗ
3ứ
ố


2

l:

2
D.

0 Ê x Ê 2p

Cõu 3: S nghim ca phng trỡnh :
vi
l
A. 2
B. 0
C. 3
D. 1
y = 2cosx + 3
Cõu 4: Giỏ tr ln nht ca hm s
l:
A). 4
B). 2
C).5
D).3
Cõu 5: Gii phng trỡnh sinx = 1 ta c

+ k, k Z
+ k2, k Z
+ k, k Z
k2, k Z
2
2
2
A. x =
B. x =
C. x=
D. x =
Cõu 6: Phng trỡnh : cos5x + 2 - m = 0 cú nghim khi:
3
1 m 3
2 m 3

A. m
B. m 1
C.
D.
Cõu 7: Gii phng trỡnh tanx= 0 ta c


x = + k 2 , k Z
x = + k , k Z
x = k 2 , k Z
x = k , k Z

2
2
A.
B.
C.
D.
Cõu 8: Chn ỏp ỏn ỳng trong cỏc cõu sau:
u = v+ k2
u = v+ k
cosu = cosv
k Z
cosu = cosv
k Z
x = v+ k2
x = v+ k
A.
B.
u = v+ k2
u = v+ k
cosu = cosv
k Z
cosu = cosv
k Z
x = v+ k2
x = v+ k
C.
D.
3sin x cos x = 2
Cõu 9 : Nghiệm của phơng trình
là

x= −

A.

2π
+ k2π
3

x=

B.

π
+ k2π
2

x= ±

C.

2π
+ k2π
3

π

tan x −  = −1
4



Câu 10 : Nghiệm của phương trình
π
π
x = − + kπ
x= k
4
2
A/
B/

là:
x=

C/

x=

D.

π
+ kπ
4

2π
+ k2π
3

D/

x = kπ

II. CÂU HỎI TỰ LUẬN ( 6 điểm ) ( HV làm bài 25 phút )
y = cot

Câu 1. (1đ)Tìm tập xác định của hàm số :
Câu 2. (1đ)Tìm GTLN, GTNN của các hàm số :
Câu 3.( 4 đ )Giải các phương trình sau :
a).

y = 3 + sin 2 x

2sin ( x − 300 ) − 1 = 0

b)

5sin 2 x + 3cos x + 3 = 0

sin x − 4sin x cos x + 4 cos x = 5
2

c)

x
7

2

BÀI LÀM

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