两点的球面距离公式做模具-三角函数计算方法及快速查询表

2020年10月7日发(作者：孟启予)
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
例题：已知斜边C=20, 角度θ=35度 求对边A及邻边B
对边A =斜边C * Sinθ= 20 * Sin (35) = 20 * =
邻边B =斜边C * Cosθ= 20 * Cos (35) = 20 * =
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

sin1= sin2= sin3=
sin4= sin5= sin6=
sin7= sin8= sin9=
sin10= sin11= sin12=
sin13= sin14= sin15=
sin16= sin17= sin18=
sin19=0. sin20=0. sin21=
sin22= sin23= sin24=
sin25= sin26= sin27=
sin28= sin29= sin30=
sin31= sin32= sin33=
sin34= sin35= sin36=0.
sin37= sin38= sin39=0.
sin40=0. sin41=0. sin42=
sin43= sin44= sin45=
sin46= sin47= sin48=
sin49= sin50= sin51=
sin52= sin53= sin54=
sin55= sin56=0. sin57=0.
sin58= sin59= sin60=0.
sin61= sin62=0. sin63=
sin64= sin65=0. sin66=
sin67=0. sin68= sin69=0.
sin70= sin71= sin72=
sin73=0. sin74= sin75=0.
sin76=0. sin77=0. sin78=
sin79= sin80= sin81=
sin82=0. sin83= sin84=
sin85= sin86= sin87=0.
sin88=0. sin89=0.
sin90=1

cos1=0. cos2=0. cos3=0.
cos4= cos5= cos6=
cos7= cos8=0. cos9=
cos10= cos11= cos12=
cos13=0. cos14=0. cos15=0.
cos16= cos17=0. cos18=
cos19= cos20= cos21=0.
cos22= cos23=0. cos24=
cos25=0. cos26= cos27=
cos28= cos29= cos30=0.
cos31= cos32= cos33=
cos34=0. cos35= cos36=
cos37= cos38= cos39=
cos40= cos41= cos42=
cos43= cos44= cos45=
cos46= cos47= cos48=
cos49=0. cos50=0. cos51=0.
cos52= cos53= cos54=0.
cos55=0. cos56= cos57=0.
cos58= cos59= cos60=
cos61= cos62= cos63=0.
cos64= cos65= cos66=0.
cos67= cos68=0. cos69=
cos70=0. cos71= cos72=
cos73= cos74= cos75=
cos76= cos77= cos78=
cos79= cos80= cos81=
cos82= cos83= cos84=
cos85= cos86= cos87=
cos88= cos89=
cos90=0

tan1= tan2= tan3=
tan4= tan5= tan6=
tan7= tan8= tan9=
tan10= tan11= tan12=
tan13=0. tan14= tan15=0.
tan16=0. tan17= tan18=
tan19= tan20= tan21=0.
tan22=0. tan23=0. tan24=0.
tan25=0. tan26=0. tan27=0.
tan28= tan29= tan30=0.
tan31=0. tan32=0. tan33=0.
tan34=0. tan35=0. tan36=0.
tan37= tan38= tan39=0.
tan40=0. tan41=0. tan42=0.
tan43= tan44=0. tan45=0.
tan46= tan47= tan48=
tan49= tan50= tan51=
tan52= tan53=1. tan54=
tan55= tan56=1. tan57=1.
tan58=1. tan59=1. tan60=1.
tan61=1. tan62=1. tan63=
tan64= tan65= tan66=
tan67= tan68=2. tan69=2.
tan70=2. tan71= tan72=
tan73=3. tan74= tan75=3.
tan76= tan77= tan78=
tan79= tan80= tan81=
tan82= tan83= tan84=
tan85= tan86= tan87=
tan88= tan89=
tan90=(无限)