三角函数边与角度的关系

三角函数边与角度的关系tanx=对边/临边sinx=对边/斜边cosx=临边/斜边cotx=临边/对边附：三角函数值 sin0=0,  sin15=（√6-√2)/4,  sin30=1/2,  sin45=√2/2,  sin60=√3/2,  sin75=(√6+√2)/2,  sin90=1,  sin105=√2/2*(√3/2+1/2)  sin120=√3/2  sin135=√2/2  sin150=1/2  sin165=（√6-√2)/4  sin180=0  sin270=-1  sin360=0   sin1=0.51sin2=0.97sin3=0.83sin4=0.3sin5=0.16sin6=0.46 sin7=0.47sin8=0.44sin9=0.87  sin10=0.33sin11=0.8sin12=0.31  sin13=0.97sin14=0.73sin15=0.74 sin16=0.16sin17=0.7sin18=0.4 sin19=0.7sin20=0.7sin21=0.27sin22=0.sin23=0.7sin24=0.15  sin25=0.44sin26=0.4sin27=0.75  sin28=0.8sin29=0.06sin30=0.94 sin31=0.2sin32=0.9sin33=0. sin34=0.8sin35=0.sin36=0.1 sin37=0.3sin38=0.3sin39=0.5 sin40=0.2sin41=0.3sin42=0.2 sin43=0.5sin44=0.2sin45=0.5 sin46=0.1sin47=0.5sin48=0.1 sin49=0.9sin50=0.sin51=0.8  sin52=0.9sin53=0.8sin54=0.4  sin55=0.8sin56=0.7sin57=0.9 sin58=0.sin59=0.2sin60=0.6  sin61=0.7sin62=0.9sin63=0.8 sin64=0.sin65=0.9sin66=0.9  sin67=0.4sin68=0.3sin69=0.7  sin70=0.3sin71=0.7sin72=0.5  sin73=0.4sin74=0.9sin75=0.3  sin76=0.5sin77=0.2sin78=0.7 sin79=0.sin80=0.sin81=0.8 sin82=0.4sin83=0.sin84=0.3  sin85=0.5sin86=0.2sin87=0.8  sin88=0.8sin89=0.3  sin90=1   cos1=0.3cos2=0.8cos3=0.8 cos4=0.2cos5=0.5cos6=0.3  cos7=0.cos8=0.4cos9=0.8  cos10=0.cos11=0.cos12=0.7  cos13=0.2cos14=0.5cos15=0.3  cos16=0.9cos17=0.5cos18=0.5  cos19=0.8cos20=0.4cos21=0.7  cos22=0.4cos23=0.4cos24=0.9  cos25=0.9cos26=0.cos27=0.9  cos28=0.cos29=0.7cos30=0.7  cos31=0.3cos32=0.cos33=0.  cos34=0.7cos35=0.8cos36=0.4  cos37=0.8cos38=0.9cos39=0.9  cos40=0.cos41=0.cos42=0.2  cos43=0.5cos44=0.2cos45=0.6  cos46=0.4cos47=0.5cos48=0.2  cos49=0.4cos50=0.4cos51=0.5  cos52=0.3cos53=0.4cos54=0.1  cos55=0.2cos56=0.8cos57=0.2  cos58=0.9cos59=0.4cos60=0.1  cos61=0.1cos62=0.86cos63=0.8  cos64=0.46cos65=0.44cos66=0.4  cos67=0.7cos68=0.2cos69=0.15  cos70=0.8cos71=0.75cos72=0.45  cos73=0.77cos74=0.16cos75=0.74  cos76=0.67cos77=0.14cos78=0.23  cos79=0.91cos80=0.41cos81=0.92  cos82=0.46cos83=0.49cos84=0.46  cos85=0.36cos86=0.23cos87=0.  cos88=0.08cos89=0.6  cos90=0 tan1=0. tan2=0.73tan3=0.  tan4=0.41tan5=0.01tan6=0.46  tan7=0.6tan8=0.45tan9=0.27  tan10=0.97tan11=0.48tan12=0.1  tan13=0.1tan14=0.68tan15=0.7  tan16=0.9tan17=0.33tan18=0.3  tan19=0.27tan20=0.34tan21=0.8  tan22=0.8tan23=0.7tan24=0.1  tan25=0.6tan26=0.4tan27=0.8  tan28=0.8tan29=0.tan30=0.7  tan31=0.4tan32=0.5tan33=0.4  tan34=0.5tan35=0.7tan36=0.9  tan37=0.2tan38=0.4tan39=0.2  tan40=0.9tan41=0.7tan42=0.9  tan43=0.8tan44=0.9tan45=0.9  tan46=1.3tan47=1.6tan48=1.7  tan49=1.2tan50=1.191tan51=1.  tan52=1.5tan53=1.8tan54=1.3  tan55=1.4tan56=1.3tan57=1.7  tan58=1.6tan59=1.3tan60=1.7  tan61=1.5tan62=1.8tan63=1.3  tan64=2.tan65=2.6tan66=2.  tan67=2.tan68=2.6tan69=2.3  tan70=2.6tan71=2.tan72=3.6  tan73=3.4tan74=3.7tan75=3.6  tan76=4.5tan77=4.tan78=4.  tan79=5.tan80=5.tan81=6.  tan82=7.tan83=8.tan84=9.  tan85=11.43005230276132tan86=14.tan87=19.081  tan88=28.63625328291551  tan89=57.    tan90=无取值