三角形系数现在我懂你意思了,是求余弦值cos,因为cos29°=0.87461970713939580028463695866108cos15°=0.9659258262890682867497431997289cos30°=0.86602540378443864676372317075294(2分之根号3)cos45°=0.707106781186547524400844362104

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三角形系数现在我懂你意思了,是求余弦值cos,因为cos29°=0.87461970713939580028463695866108cos15°=0.9659258262890682867497431997289cos30°=0.86602540378443864676372317075294(2分之根号3)cos45°=0.707106781186547524400844362104
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三角形系数现在我懂你意思了,是求余弦值cos,因为cos29°=0.87461970713939580028463695866108cos15°=0.9659258262890682867497431997289cos30°=0.86602540378443864676372317075294(2分之根号3)cos45°=0.707106781186547524400844362104
三角形系数
现在我懂你意思了,是求余弦值cos,因为cos29°=0.87461970713939580028463695866108
cos15°=0.9659258262890682867497431997289
cos30°=0.86602540378443864676372317075294(2分之根号3)
cos45°=0.70710678118654752440084436210485(2分之根号2)
cos60°=0.5(1/2)
cos75°=0.25881904510252076234889883762405
我要更全的 从1到90,

三角形系数现在我懂你意思了,是求余弦值cos,因为cos29°=0.87461970713939580028463695866108cos15°=0.9659258262890682867497431997289cos30°=0.86602540378443864676372317075294(2分之根号3)cos45°=0.707106781186547524400844362104
图片

sin1=0.01745240643728351 sin2=0.03489949670250097 sin3=0.05233595624294383
sin4=0.0697564737441253 sin5=0.08715574274765816 sin6=0.10452846326765346
sin7=0.12186934340514747 sin8=0.139173100...

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sin1=0.01745240643728351 sin2=0.03489949670250097 sin3=0.05233595624294383
sin4=0.0697564737441253 sin5=0.08715574274765816 sin6=0.10452846326765346
sin7=0.12186934340514747 sin8=0.13917310096006544 sin9=0.15643446504023087
sin10=0.17364817766693033 sin11=0.1908089953765448 sin12=0.20791169081775931
sin13=0.22495105434386497 sin14=0.24192189559966773 sin15=0.25881904510252074
sin16=0.27563735581699916 sin17=0.2923717047227367 sin18=0.3090169943749474
sin19=0.3255681544571567 sin20=0.3420201433256687 sin21=0.35836794954530027
sin22=0.374606593415912 sin23=0.3907311284892737 sin24=0.40673664307580015
sin25=0.42261826174069944 sin26=0.4383711467890774 sin27=0.45399049973954675
sin28=0.4694715627858908 sin29=0.48480962024633706 sin30=0.49999999999999994
sin31=0.5150380749100542 sin32=0.5299192642332049 sin33=0.544639035015027
sin34=0.5591929034707468 sin35=0.573576436351046 sin36=0.5877852522924731
sin37=0.6018150231520483 sin38=0.6156614753256583 sin39=0.6293203910498375
sin40=0.6427876096865392 sin41=0.6560590289905073 sin42=0.6691306063588582
sin43=0.6819983600624985 sin44=0.6946583704589972 sin45=0.7071067811865475
sin46=0.7193398003386511 sin47=0.7313537016191705 sin48=0.7431448254773941
sin49=0.7547095802227719 sin50=0.766044443118978 sin51=0.7771459614569708
sin52=0.7880107536067219 sin53=0.7986355100472928 sin54=0.8090169943749474
sin55=0.8191520442889918 sin56=0.8290375725550417 sin57=0.8386705679454239
sin58=0.848048096156426 sin59=0.8571673007021122 sin60=0.8660254037844386
sin61=0.8746197071393957 sin62=0.8829475928589269 sin63=0.8910065241883678
sin64=0.898794046299167 sin65=0.9063077870366499 sin66=0.9135454576426009
sin67=0.9205048534524404 sin68=0.9271838545667873 sin69=0.9335804264972017
sin70=0.9396926207859083 sin71=0.9455185755993167 sin72=0.9510565162951535
sin73=0.9563047559630354 sin74=0.9612616959383189 sin75=0.9659258262890683
sin76=0.9702957262759965 sin77=0.9743700647852352 sin78=0.9781476007338057
sin79=0.981627183447664 sin80=0.984807753012208 sin81=0.9876883405951378
sin82=0.9902680687415704 sin83=0.992546151641322 sin84=0.9945218953682733
sin85=0.9961946980917455 sin86=0.9975640502598242 sin87=0.9986295347545738
sin88=0.9993908270190958 sin89=0.9998476951563913
sin90=1

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三角形系数现在我懂你意思了,是求余弦值cos,因为cos29°=0.87461970713939580028463695866108cos15°=0.9659258262890682867497431997289cos30°=0.86602540378443864676372317075294(2分之根号3)cos45°=0.707106781186547524400844362104 在三角形ABC中,已知余弦A=3/5 余弦B=5/13 求余弦C的值? 谁能帮我解答一下一道高二的数学题(有关正、余弦定理)!已知三角形ABC,a.b.c分别是角A.B.C的对边,设a+c=2b,A-C=60度,求角B的正弦值 原来做过的一道数学题,现在想不起来怎么解了,3Q 已知三角形ABC面积为S,角ABC的余弦值为b,角ACB的余弦值为c.从A到BC作垂直线AD,求AD的长度.AD的长度用S,b,c.来表示.tg∠ABC=b,;tg∠BCA=c,看错了是正切不是余弦。 我老是算不好是用余弦定理的 .越算越不会了在三角形ABC中,已知a=2√ 2 b=2 c=√6-√2 求角A 角B 角C的度数.. 三角形ABC中,已知正弦A=3/5 余弦B=5/13 求余弦C的值 已知一个角正弦余弦的比例关系,怎么求这个角如16Sin2C=24CosC求角C二楼你理解错了我那个2是平方 在三角形ABC中,∠A的余弦为13分之5,∠B的余弦为5分之4,求∠C的余弦值? 我做了一题关于求系数最大的项的题其中我得到 T(r+1)=C(15,r)(3x)^r 那怎样知道当r为几时有最大系数啊 二项式系数最大的项我会求 可系数的最大我不会 格式你懂的 本人有点笨! 高中导数题.不知哪儿错了,在半径为R的圆内作等腰三角形,求三角形面积最大时底边上的高.为什么按我这样解当余弦值为1/2时三角形面积是最小的,但是要求的是最大的.正确答案是余弦值1/2时 等腰三角形的顶角的余弦值是-7/25,求三角形的底角的正弦,余弦和正切 若A、B、C是三角形ABC的内角,角B的余弦等于1/2,角C的正弦等于3/5,求角A的余弦 三角形ABC中,A正弦3/5,B余弦5/13,求C余弦.同上 已知三角形ABC中,AB=5,AC=4,BC=6,求角C的余弦值拜托了各位 三角形内角ABC对边为abc,cosA=3/5,cosB=5/13,b=3求c.你不用写过程了,我用正弦后余弦算的c=4/5或者14/5请问为什么答案就14/5呢? 已知,三角形ABC中,a边×角A的余弦值+b×角B的余弦值=c×角C的余弦值,求三角形的形状 三角形中,给了一边和这边所对角的余弦值,求面积最大值 在三角形ABC中,∠A的正弦为5/13,∠B的余弦是3/5,求∠C的余弦