sin57°等于多少
答:0.83867056794542
答:0.83867056794542。sin30°=1╱2,sin60°=√3╱2,sin90°=1,sin180°=0,sin0°=0,sin270°=-1。弦值是在直角三角形中,对边的长比上斜边的长的值。 任意锐角的正弦值等于它的余角的余弦值,任意锐角的余弦值等于它的余角的正弦值。正弦sinθ也可以理解为顶角度数为θ的单位等腰三角形与...
答:sin57°=0.838671
答:1、sin57度等于cos(90-57)度,也就是cos33度。故sin57等于cos33度。2、扩展内容,sin和cos的关系有:sinα加cosα等于1。sinx等于cos(90-x)。
答:sin52=0.7880107536067219 sin53=0.7986355100472928 sin54=0.8090169943749474sin55=0.8191520442889918 sin56=0.8290375725550417 sin57=0.8386705679454239sin58=0.848048096156426 sin59=0.8571673007021122 sin60=0.8660254037844386sin61=0.8746197071393957 sin62=0.8829475928589269 sin63=0.8910065241883678sin64=0.898794046299167 sin65=...
答:sin 52 °= 0.7880107536067220 sin 53 °= 0.7986355100472930 sin 54 °= 0.8090169943749470 sin 55 °= 0.8191520442889920 sin 56 °= 0.8290375725550420 sin 57 °= 0.8386705679454240 sin 58 °= 0.8480480961564260 sin 59 °= 0.8571673007021120 sin 60 °= 0.8660254037844390 si...
答:sin57°=cos33° sin42°=cos48° sin48°sin57°-sin42°sin33° =sin48°cos33°-cos48°sin33° =sin(48°-33°)=sin15° 根据半角公式 sin15°=根号下((1-cos30)/2)=(根号下6-根号下2)/4 或 sin15°=cos75°=cos(45°+30°)=(根号下6-根号下2)/4 ...
答:解:根据公式sin(a+b)=sin(a)cos(b)+cos(α)sin(b),将Sin63`Sin33`+Sin27`Sin57`化简:Sin63`Sin33`+Sin27`Sin57'=Sin63`cos57`+cos63`Sin57'=sin(63'+57')=sin120'=sin60'=二分之根三 够详细吧?
答: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...
答: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...
网友评论:
都宰13827285639:
sin57 =多少 cos57=多少 -
53053郭齿
:[答案] sin57 =0.8386705679454239 cos57 =0.5446390350150272
都宰13827285639:
sin57度是不是三分之二 -
53053郭齿
:[答案] 五分之四
都宰13827285639:
sin57度54分等于多少 -
53053郭齿
: sin57度54分=sin57.9°=0.847121921382137
都宰13827285639:
三角函数37度和57度的所有值 -
53053郭齿
:[答案] sin(37°)=0.6016 cos(37°)=0.7988 tan(37°)=0.7530 cot(37°)=1.3279 sin(57°)=0.8384 cos(57°)=0.5451 tan(57°)=1.5382 cot(57°)=0.6501
都宰13827285639:
三角函数值表1 - 100度的函数值 -
53053郭齿
:[答案] 三角函数重在将一般角转化为特殊角,重在角度的转化.其中,配角以及万能公式、被角公式、周期转化、和差化积公式经常用到!学会化角才是解题的关键! sin1=0.01745240643728351 sin2=0.03489949670250097 sin3=0.05233595624294383 ...
都宰13827285639:
sin57度10分等于多少 -
53053郭齿
: 等于:0.84025130820096565190110945197663
都宰13827285639:
33度和57度三角函数值 -
53053郭齿
:[答案] sin(33°) = 0.54463903501503 \x09 南京得骥教育 sin(57°) = 0.83867056794542
都宰13827285639:
比较sin57°和cos57°的大小. -
53053郭齿
:[答案] ∵cos57°=sin33°,sin57°>sin33°, ∴sin57°>cos57°.
都宰13827285639:
sin18度54分等于多少 -
53053郭齿
: sin18度54分=sin18.9°=0.3239174181981 亲,请【采纳答案】,您的采纳是我答题的动力,谢谢.
都宰13827285639:
sin57°18′——tan22°30′,tan83°6′——cos4°59′,tan12°30′——sin15°等于多少?麻烦求近似值不要根号的,只要约等于的,计算机坏了, -
53053郭齿
:[答案] sin57°18′:0.8415107819 tan22°30′=根号2-1=0.4142135624 tan83°6′=8.386251933 cos4°59′=0.9962200085 tan12°30′=0.2216946626 sin15°=(根号6-根号2)/4=0.2588190451