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附:三角函数值表
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=0.01745240643728351sin2=0.03489949670250097sin3=0.05233595624294383?
sin4=0.0697564737441253sin5=0.08715574274765816sin6=0.10452846326765346?
sin7=0.12186934340514747sin8=0.13917310096006544sin9=0.15643446504023087?
sin10=0.17364817766693033sin11=0.1908089953765448sin12=0.20791169081775931?
sin13=0.22495105434386497sin14=0.24192189559966773sin15=0.25881904510252074?
sin16=0.27563735581699916sin17=0.2923717047227367sin18=0.3090169943749474?
sin19=0.3255681544571567sin20=0.3420201433256687sin21=0.35836794954530027?
sin22=0.374606593415912sin23=0.3907311284892737sin24=0.40673664307580015?
sin25=0.42261826174069944sin26=0.4383711467890774sin27=0.45399049973954675?
sin28=0.4694715627858908sin29=0.48480962024633706sin30=0.49999999999999994?
sin31=0.5150380749100542sin32=0.5299192642332049sin33=0.544639035015027?
sin34=0.5591929034707468sin35=0.573576436351046sin36=0.5877852522924731?
sin37=0.6018150231520483sin38=0.6156614753256583sin39=0.6293203910498375?
sin40=0.6427876096865392sin41=0.6560590289905073sin42=0.6691306063588582?
sin43=0.6819983600624985sin44=0.6946583704589972sin45=0.7071067811865475?
sin46=0.7193398003386511sin47=0.7313537016191705sin48=0.7431448254773941?
sin49=0.7547095802227719sin50=0.766044443118978sin51=0.7771459614569708?
sin52=0.7880107536067219sin53=0.7986355100472928sin54=0.8090169943749474?
sin55=0.8191520442889918sin56=0.8290375725550417sin57=0.8386705679454239?
sin58=0.848048096156426sin59=0.8571673007021122sin60=0.8660254037844386?
sin61=0.8746197071393957sin62=0.8829475928589269sin63=0.8910065241883678?
sin64=0.898794046299167sin65=0.9063077870366499sin66=0.9135454576426009?
sin67=0.9205048534524404sin68=
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