2020-2021学年广东省佛山市南海区高一(下)期末数学试卷

学年广省佛山市海区高一下）期末学试卷一单选题共8小题每题5分共40分）i

ziiA1B2CDycosx+3ycos2AC

B3D60mm28505258606282143146170255260263293294296325326328348350352ABC

DABCDAABCDBABCDCABCDDABCD

A1

B

C3

mD3A

B

18C

DABCA

cosABC

D

x+

[xA

B

C

D二多选题本题小，小分共分，每题出四选中有项合目求全选的分，选但全分，有错得分）10%30%20%AB20080CD10AmnmnBmmnCmnDmn

111111111111111111111212111ABDABBBAB60CBADCDAACC12ARBzRzRCzzRzDzR三填题本共4小题征题5分共20分）个方在R上则方146kgkg

1

2

3

4

15x16ABCDBAD60EFBCDEM

EMF

四解题本题6小题共70分解应出字明证过程演步）17cosCsinccbc③a

ACcb218VBPVAC1910107.57.88.08.39.57.87.88.08.38.57.57.68.08.99.07.57.88.08.59.980

202ABCD1ABFBCAEDDCFDEEFC2DFEFD21mnmED4ABnmlll22AB

参考答案一单选题共8小题每题5分共40分）i

ziiA1B2CDziiiycosx+3ycos2AC

B3Dycos2xcos2+3mm28505258606282143146170255260263293294296325326328348350352ABCD600.75454532834075

ABCDAABCDBABCDCABCDDABCD

+

D

DCmA1B13D3+kZ）1

3

A

B

C

Dxya3+3CABCACC

BD

sinsinB

coscos[+]

﹣cosBC＝BBCx+

[xA

B

C

DπD

f

cos

+

0

+

k+

kZ*

+

2+

kC

+

k+

k1C二多选题本题小，小分共分，每题出四选中有项合目求全选的分，选但全分，有错得分）10%

30%20%AB20080CD80C2400.00200.20DD10AmnmnBmmnCmnDmnA⊂nnmm

11111111111111111111111CnnCD，mnmnDBD11ABDABBBAB60CBADCDAACC1ABDABDAD

A

111111111111111111111111111111111111111111111111111111111111BDBBADDBADBACDCACBCCBMBCCBBBCCBBABCB⊂BCCBBADCBADCBADCMABCCBMD，

BAMC

11111111111111111111111121211212ABCDAABDACCAAAACABDABDABDBDD12ARBzRzRCzzRzDzRAz+bi

bizRzi

i1RBCiz2izRD，+bizzRb0aRDAD三填题本共4小题征题5分共20分）

13Ra

a+a+

2

146kgkg

1

2

3

4

+8202]566.67++79080021733.3315xsin2fsin216ABCDBAD60EFBCDEM

BADABCF

+

+

2

+

2

EAB

2|

2

2

+

2

+

22

四解题本题6小题共70分解应出字明证过程演步）17cosCsinccbc③a

ACcb2①

acosCsincosC+

cAsinCsinsinCsinsinACsin+cossinC

sincosC+

AsinCsinCsinAcos+cosACAsinCsinCcosACsin0

sinA2sin

10sin

A2②

cba2

bc

+2

abcA0

2③

asin

bsinsin

sinAsin00

AtanAA

2

18VBPVAC

VACDEVCVADDDFVBABFDEDFDEFPVACDEFAA

81910107.57.88.08.39.57.87.88.08.38.57.57.68.08.99.07.57.88.08.59.980

A

27.5222+8.128.42

]

27.5222229.08.2

2]

A

7.5+7.8+7.8+8.0+8.0+8.2+8.3+8.47.8+7.8+7.8+8.0+8.0+8.3+8.3+8.58.06202ABCD1ABFBCAEDDCFDEEFC2DFEFD1DPDPPFPEPDP

PEFDDPEFDDPEPEFDPEF2