in0=sin0°=0
cos0=cos0°=1
tan0=tan0°=0sin15=0.650
in15°=0.259
cos15=-0.759cos15°=0.966
tan15=-0.855tan15°=0.268
in30°=1/2
cos30°=0.866
tan30°=0.577
in45°=0.707
cos45°=0.707
tan45=1.620tan45°=1
in60=-0.305sin60°=0.866
cos60=-0.952cos60°=1/2
tan60=0.320tan60°=1.732
in75=-0.388sin75°=0.966
cos75=0.922cos75°=0.259
tan75=-0.421tan75°=sin75°/cos75°=3.732
in90=0.894sin90°=cos0°=1
cos90=-0.448cos90°=sin0°=0
tan90=-1.995tan90°不存在
in105=-0.971sin105°=cos15°
cos105=-0.241cos105°=-sin15°
tan105=4.028tan105°=-cot15°
in120=0.581sin120°=cos30°
cos120=0.814cos120°=-sin30°
tan120=0.713tan120°=-tan60°
in135=0.088sin135°=sin45°
cos135=-0.996cos135°=-cos45°
tan135=-0.0887tan135°=-tan45°
in150=-0.7149sin150°=sin30°
cos150=-0.699cos150°=-cos30°
tan150=-1.022tan150°=-tan30°
in165=0.998sin165°=sin15°
cos165=-0.066cos165°=-cos15°
tan165=-15.041tan165°=-tan15°
in180=-0.801sin180°=sin0°=0
cos180=-0.598cos180°=-cos0°=-1
tan180=1.339tan180°=0
in195=0.219sin195°=-sin15°
cos195=0.976cos195°=-cos15°
tan195=0.225tan195°=tan15°
in360=0.959sin360°=sin0°=0
cos360=-0.284cos360°=cos0°=1
tan360=-3.380tan360°=tan0°=0
特殊角三角函数值
in1=0.01745240643728351
in2=0.03489949670250097
in3=0.05233595624294383
in4=0.0697564737441253
in5=0.08715574274765816
in6=0.10452846326765346
in7=0.12186934340514747
in8=0.13917310096006544
in9=0.15643446504023087
in10=0.17364817766693033
in11=0.1908089953765448
in12=0.20791169081775931
in13=0.22495105434386497
in14=0.24192189559966773
in15=0.25881904510252074
in16=0.27563735581699916
in17=0.2923717047227367
in18=0.3090169943749474
in19=0.3255681544571567
in20=0.3420201433256687
in21=0.35836794954530027
in22=0.374606593415912
in23=0.3907311284892737
in24=0.40673664307580015
in25=0.42261826174069944
in26=0.4383711467890774
in27=0.45399049973954675
in28=0.4694715627858908
in29=0.48480962024633706
in30=0.49999999999999994
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
