初中三角函数计算题100道

合集下载
  1. 1、下载文档前请自行甄别文档内容的完整性,平台不提供额外的编辑、内容补充、找答案等附加服务。
  2. 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
  3. 3、如文档侵犯您的权益,请联系客服反馈,我们会尽快为您处理(人工客服工作时间:9:00-18:30)。

(1)sin 2

60°+cos 2

60 (2)o

o 45

sin 45cos -tan450

(3)cos45°-sin30° (4)sin 2300+cos 2300

(5)tan45°-sin30°·cos60° (6) 0

20

230

tan 45cos

(7)2sin300-cos450 (6)sin600cos600 (8)2sin30°+3cos60°-4tan45°

(9)cos30°sin45°+sin30°cos45° (10)0

0045

tan 260tan 1

60sin --

(11)3cos30°+2sin45° (12)2sin300+3sin600-4tan450

(13)tan300sin450+tan600cos450

(14)00045tan 260tan 1

30sin --

(15)

_______60cot 45tan _______,60cos 30sin 0

000=+=+;

(16)︒

-︒+︒+︒-︒30sin 30cos 30tan 41

45sin 60cos 22=________________

(17)0

00

045

tan 30tan 145tan 30tan ⋅-+

)60sin 45(cos 30sin 60

cos 2330cos 45sin 0

000

00---+

(19)s in 230°+cos 245°+2sin60°·tan45°; (20)22cos 30cos 60tan 60tan 30︒+︒

︒⨯︒

+ sin45°

(21)

(22)

(24)

(25)(26)(27)(28)(29)(30)(31)(32)

(33)

(34)

(35)

(36)

(37)

(38)

(39)

(40)sin45°+3tan30°+4cos30°

(41)cos260°-ta n45°+sin60°·tan60°.

(42)

(43)(44)

(45)

(46)

(47)

(48)

(49)(50)

(51)(52)(53)(54)(55)

(56)(57)(58)(59)(60)(61)

(62)(63)

(64)(65)(66)(67)(68)

(69)(70)

(71)(72)(73)(74)(75)(76)(77)

(78)(79)(80)(81)(82)(83)(84)

(85)(86)(87)(88)(89)

(90)(91)(92)(93)(94)(95)(96)(97)(98)(99)(100)37

(76):1 (77):2

相关文档
最新文档