三角函数数值表有多少(2)

cos55=0.5735764363510462 cos56=0.5591929034707468 cos57=0.5446390350150272

cos58=0.5299192642332049 cos59=0.5150380749100544 cos60=0.5000000000000001

cos61=0.4848096202463371 cos62=0.46947156278589086 cos63=0.4539904997395468

cos64=0.43837114678907746 cos65=0.42261826174069944 cos66=0.4067366430758004

cos67=0.3907311284892737 cos68=0.3746065934159122 cos69=0.35836794954530015

cos70=0.3420201433256688 cos71=0.32556815445715675 cos72=0.30901699437494745

cos73=0.29237170472273677 cos74=0.27563735581699916 cos75=0.25881904510252074

cos76=0.24192189559966767 cos77=0.22495105434386514 cos78=0.20791169081775923

cos79=0.19080899537654491 cos80=0.17364817766693041 cos81=0.15643446504023092

cos82=0.13917310096006546 cos83=0.12186934340514749 cos84=0.10452846326765346

cos85=0.08715574274765836 cos86=0.06975647374412523 cos87=0.052335956242943966

cos88=0.03489949670250108 cos89=0.0174524064372836

cos90=0

tan1=0.017455064928217585 tan2=0.03492076949174773 tan3=0.052407779283041196

de3 de3 a3 e gong1 im1 biak7 siao1 diou8 tan5 siao5 li2 si2。3π 解析： 方法一：由题意，得 2kπ＋π＜α＜2kπ＋ 2 (k∈z)， ∴4kπ＋2π＜2α＜4kπ＋3π.∴sin 2α＞0. 4 sin 2α 4 ∴sin 2α＝ 1－cos22α＝5.∴tan 2α＝cos 2α＝－3. π 4 1 tan4＋tan 2α 1－3 －3 。季铵盐型1．烷基三甲基铵盐型十二烷基三甲基氯化铵1231十六烷基三甲基氯化铵1631十八烷基三甲基氯化铵18312．二烷基二甲基铵盐型3．烷基二甲基苄基铵盐型十二烷基二甲基苄基氯化铵1227 晴纶匀染剂tan4．吡啶嗡盐型5．烷基异喹啉嗡盐型6．苄索氯胺型两性表面活性剂一。

tan7=0.1227845609029046 tan8=0.14054083470239145 tan9=0.15838444032453627

tan10=0.17632698070846497 tan11=0.19438030913771848 tan12=0.2125565616700221

tan13=0.2308681911255631 tan14=0.24932800284318068 tan15=0.2679491924311227

tan16=0.2867453857588079 tan17=0.30573068145866033 tan18=0.3249196962329063

tan19=0.34432761328966527 tan20=0.36397023426620234 tan21=0.3838640350354158

tan22=0.4040262258351568 tan23=0.4244748162096047 tan24=0.4452286853085361

tan25=0.4663076581549986 tan26=0.4877325885658614 tan27=0.5095254494944288

tan28=0.5317094316614788 tan29=0.554309051452769 tan30=0.5773502691896257

tan31=0.6008606190275604 tan32=0.6248693519093275 tan33=0.6494075931975104

tan34=0.6745085168424265 tan35=0.7002075382097097 tan36=0.7265425280053609

tan37=0.7535540501027942 tan38=0.7812856265067174 tan39=0.8097840331950072

tan40=0.8390996311772799 tan41=0.8692867378162267 tan42=0.9004040442978399

tan43=0.9325150861376618 tan44=0.9656887748070739 tan45=0.9999999999999999

tan46=1.0355303137905693 tan47=1.0723687100246826 tan48=1.1106125148291927

tan49=1.1503684072210092 tan50=1.19175359259421 tan51=1.234897156535051

tan52=1.2799416321930785 tan53=1.3270448216204098 tan54=1.3763819204711733

tan55=1.4281480067421144 tan56=1.4825609685127403 tan57=1.5398649638145827

tan58=1.6003345290410506 tan59=1.6642794823505173 tan60=1.7320508075688767

tan61=1.8040477552714235 tan62=1.8807264653463318 tan63=1.9626105055051503

tan64=2.050303841579296 tan65=2.1445069205095586 tan66=2.246036773904215

tan67=2.355852365823753 tan68=2.4750868534162946 tan69=2.6050890646938023

tan70=2.7474774194546216 tan71=2.904210877675822 tan72=3.0776835371752526

tan73=3.2708526184841404 tan74=3.4874144438409087 tan75=3.7320508075688776

tan76=4.0107809335358455 tan77=4.331475874284153 tan78=4.704630109478456

tan79=5.144554015970307 tan80=5.671281819617707 tan81=6.313751514675041

tan82=7.115369722384207 tan83=8.144346427974593 tan84=9.514364454222587

tan85=11.43005230276132 tan86=14.300666256711942 tan87=19.08113668772816

tan88=28.636253282915515 tan89=57.289961630759144

tan90=无取值