做模具:三角函数计算方法及快速查询表
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 * 0.573576 = 11.471
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=0. sin2=0. sin3=0.
sin4=0.41253 sin5=0. sin6=0.
sin7=0. sin8=0. sin9=0.
sin10=0. sin11=0.65448 sin12=0.
sin13=0. sin14=0. sin15=0.
sin16=0. sin17=0.27367 sin18=0.49474
sin19=0.71567 sin20=0.56687 sin21=0.
sin22=0.5912 sin23=0.92737 sin24=0.
sin25=0. sin26=0.90774 sin27=0.
sin28=0.58908 sin29=0. sin30=0.
sin31=0.00542 sin32=0.32049 sin33=0.5027
sin34=0.07468 sin35=0.1046 sin36=0.24731
sin37=0.20483 sin38=0.56583 sin39=0.98375
sin40=0.65392 sin41=0.05073 sin42=0.88582
sin43=0.24985 sin44=0.89972 sin45=0.65475
sin46=0.86511 sin47=0.91705 sin48=0.73941
sin49=0.27719 sin50=0.8978 sin51=0.69708
sin52=0.67219 sin53=0.72928 sin54=0.49474
sin55=0.89918 sin56=0.50417 sin57=0.54239 sin58=0.6426 sin59=0.21122 sin60=0.44386
sin61=0.93957 sin62=0.89269 sin63=0.83678 sin64=0.9167 sin65=0.66499 sin66=0.26009 sin67=0.24404 sin68=0.67873 sin69=0.72017 sin70=0.59083 sin71=0.93167 sin72=0.51535 sin73=0.30354 sin74=0.83189 sin75=0.90683 sin76=0.59965 sin77=0.52352 sin78=0.38057 sin79=0.7664 sin80=0.2208 sin81=0.51378
sin82=0.15704 sin83=0.1322 sin84=0.82733
sin85=0.17455 sin86=0.98242 sin87=0.45738 sin88=0.90958 sin89=0.63913
sin90=1
cos1=0.63913 cos2=0.90958 cos3=0.45738
cos4=0.98242 cos5=0.17455 cos6=0.82733
cos7=0.1322 cos8=0.15704 cos9=0.51378
cos10=0.2208 cos11=0.7664 cos12=0.38057 cos13=0.52352 cos14=0.59965 cos15=0.90683 cos16=0.83189 cos17=0.30355 cos18=0.51535 cos19=0.93168 cos20=0.59084 cos21=0.72017 cos22=0.67874 cos23=0.24404 cos24=0.26009
cos25=0.66499 cos26=0.9167 cos27=0.83679 cos28=0.8927 cos29=0.93957 cos30=0.44387 cos31=0.21123 cos32=0.6426 cos33=0.5424 cos34=0.50417 cos35=0.89918 cos36=0.49474 cos37=0.72928 cos38=0.67219 cos39=0.69709 cos40=0.8978 cos41=0.2772 cos42=0.73942 cos43=0.91705 cos44=0.86512 cos45=0.65476 cos46=0.89974 cos47=0.24985 cos48=0.88582 cos49=0.05074 cos50=0.65394 cos51=0.98375 cos52=0.56583 cos53=0.20484 cos54=0.24731 cos55=0.10462 cos56=0.07468 cos57=0.50272 cos58=0.32049 cos59=0.00544 cos60=0.00001 cos61=0.63371 cos62=0. cos63=0.95468
cos64=0. cos65=0. cos66=0.58004
cos67=0.92737 cos68=0.59122 cos69=0.
cos70=0.56688 cos71=0. cos72=0.
cos73=0. cos74=0. cos75=0.
cos76=0. cos77=0. cos78=0.
cos79=0. cos80=0. cos81=0.
cos82=0. cos83=0. cos84=0.
cos85=0. cos86=0. cos87=0.6
cos88=0. cos89=0.72836
cos90=0
tan1=0.5 tan2=0. tan3=0.6
tan4=0. tan5=0. tan6=0.
tan7=0.29046 tan8=0. tan9=0.
tan10=0. tan11=0. tan12=0.00221
tan13=0.55631 tan14=0. tan15=0.11227
tan16=0.88079 tan17=0. tan18=0.29063
tan19=0. tan20=0. tan21=0.54158
tan22=0.51568 tan23=0.96047 tan24=0.85361 tan25=0.49986 tan26=0.58614 tan27=0.44288 tan28=0.14788 tan29=0.2769 tan30=0.96257 tan31=0.75604 tan32=0.93275 tan33=0.75104 tan34=0.24265 tan35=0.97097 tan36=0.53609 tan37=0.27942 tan38=0.67174 tan39=0.50072 tan40=0.72799 tan41=0.62267 tan42=0.78399 tan43=0.76618 tan44=0.70739 tan45=0.99999 tan46=1.05693 tan47=1.46826 tan48=1.91927 tan49=1.10092 tan50=1.421 tan51=1.5051
tan52=1.30785 tan53=1.04098 tan54=1.11733 tan55=1.21144 tan56=1.27403 tan57=1.45827 tan58=1.10506 tan59=1.05173 tan60=1.88767
tan61=1.14235 tan62=1.63318 tan63=1.51503 tan64=2.9296 tan65=2.95586 tan66=2.4215 tan67=2.3753 tan68=2.62946 tan69=2.38023 tan70=2.46216 tan71=2.5822 tan72=3.52526 tan73=3.41404 tan74=3.09087 tan75=3.88776 tan76=4.58455 tan77=4.4153 tan78=4.8456 tan79=5.0307 tan80=5.7707 tan81=6.5041
tan82=7.4207 tan83=8.4593 tan84=9.2587 tan85=11.132 tan86=14.1942 tan87=19.816
tan88=28.5515 tan89=57.9144
tan90=(无限)