2020-2021学年山东省滨州市高三(上)期末数学试卷

22学年山东省滨州高三（上）末数学试一单选题共8小题.{x10}{x4}MNA0

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x+y2CCA12]B二多选题共4小题.A2bc2BbaCabDb

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Bfx

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fx

nn342nnnn342nnnnn三填题共4小）13Cyxe

M114yxA15416

SABCDABCDO四解题共6小）172sinABC

bbcosCcosABbcos1c218{}SSS21{}2logaca

{}nT1920202

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11541154参考答案一单选题共8小题.{x10}{x4}MNA0

B1

C0

D1{+30}{31}{x4}MN{x1}i

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zAisinz

Bsinicos

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A

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2

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cabccabccab0C

abc0CD

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9四解题本共6小题共70分。答写文说、明程演步。172sinABC

bbcosCcosABbcos1c212sinABaba3b2c

9+42

ccosC0

absinCab+0233c22cos+cosB6bb

4+6ab+0233c222

4

nn342nnnnnnnnn342nnnnnnn3312413nn0sinB18{}SSS21{}2logaca

{}nT1{}nS23a+a++a+22aq22blognca+

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eq\o\ac(△,Rt)EN

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