三角函数计算公式及查询表
Posted 台湾庆鸿慢走丝
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画图、开磨床、做模具,做加工总是要算这个。有时总是去百度,今天小编给大家整理了关于函数的计算方法,这应该对从事模具行业的你有所帮助,不会的赶紧学学吧。真记不完就收藏!
角函数的关系
(正弦) Sin θ = 对边A / 斜边C
(余弦) Cosθ = 邻边B / 斜边C
(正切) Tanθ = 对边A / 邻边B
对边A = 斜边C * Sinθ
对边A = 邻边B * Tanθ
邻边B = 斜边C * Cosθ
邻边B = 对边A / Tanθ
斜边C = 对边A / Sinθ
斜边C = 邻边B / Cosθ
一般车床锥度与三角函数的关系
锥度比T=(大径D-小径d) / (长度L)
Tanθ= (大径D-小径d) / (2*长度L )
D= d + 2*L* Tanθ
d= D - 2*L* Tanθ
θ= Tan - ( (D-d) / 2L )
这里为你提供了sin,cos,tan不同角度的表值,精确度也很高了,相信对你有用
sin38=0.6156614753256583
sin39=0.6293203910498375
sin40=0.6427876096865392
sin41=0.6560590289905073
sin42=0.6691306063588582
sin43=0.6819983600624985
sin44=0.6946583704589972
sin45=0.7071067811865475
sin46=0.7193398003386511
sin47=0.7313537016191705
sin48=0.7431448254773941
sin49=0.7547095802227719
sin50=0.766044443118978
sin51=0.7771459614569708
sin52=0.7880107536067219
sin53=0.7986355100472928
sin54=0.8090169943749474
sin55=0.8191520442889918
sin56=0.8290375725550417
sin57=0.8386705679454239
sin58=0.848048096156426
sin59=0.8571673007021122
sin60=0.8660254037844386
sin61=0.8746197071393957
sin62=0.8829475928589269
sin63=0.8910065241883678
sin64=0.898794046299167
sin65=0.9063077870366499
sin66=0.9135454576426009
sin67=0.9205048534524404
sin68=0.9271838545667873
sin69=0.9335804264972017
sin70=0.9396926207859083
sin71=0.9455185755993167
sin72=0.9510565162951535
sin73=0.9563047559630354
sin74=0.9612616959383189
sin75=0.9659258262890683
sin76=0.9702957262759965
sin77=0.9743700647852352
sin78=0.9781476007338057
sin79=0.981627183447664
sin80=0.984807753012208
sin81=0.9876883405951378
sin82=0.9902680687415704
sin83=0.992546151641322
sin84=0.9945218953682733
sin85=0.9961946980917455
sin86=0.9975640502598242
sin87=0.9986295347545738
sin88=0.9993908270190958
sin89=0.9998476951563913
sin90=1
cos1=0.9998476951563913
cos2=0.9993908270190958
cos3=0.9986295347545738
cos4=0.9975640502598242
cos5=0.9961946980917455
cos6=0.9945218953682733
cos7=0.992546151641322
cos8=0.9902680687415704
cos9=0.9876883405951378
cos10=0.984807753012208
cos11=0.981627183447664
cos12=0.9781476007338057
cos13=0.9743700647852352
cos14=0.9702957262759965
cos15=0.9659258262890683
cos16=0.9612616959383189
cos17=0.9563047559630355
cos18=0.9510565162951535
cos19=0.9455185755993168
cos20=0.9396926207859084
cos21=0.9335804264972017
cos22=0.9271838545667874
cos23=0.9205048534524404
cos24=0.9135454576426009
cos25=0.9063077870366499
cos26=0.898794046299167
cos27=0.8910065241883679
cos28=0.882947592858927
cos29=0.8746197071393957
cos30=0.8660254037844387
cos31=0.8571673007021123
cos32=0.848048096156426
cos33=0.838670567945424
cos34=0.8290375725550417
cos35=0.8191520442889918
cos36=0.8090169943749474
cos37=0.7986355100472928
cos38=0.7880107536067219
cos39=0.7771459614569709
cos40=0.766044443118978
cos41=0.754709580222772
cos42=0.7431448254773942
cos43=0.7313537016191705
cos44=0.7193398003386512
cos45=0.7071067811865476
cos46=0.6946583704589974
cos47=0.6819983600624985
cos48=0.6691306063588582
cos49=0.6560590289905074
cos50=0.6427876096865394
cos51=0.6293203910498375
cos52=0.6156614753256583
cos53=0.6018150231520484
cos54=0.5877852522924731
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
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