antiphonal+singing
答：sing的现在分词：Singing；读音：英 [ˈsɪŋɪŋ]；美 ['sɪŋɪŋ]释义：n.唱歌；鸟鸣；振鸣；（机器或系统）技术先进；v.唱，歌唱(sing的现在分词)；（鸟）鸣；嗡嗡叫；呜呜作响；adj.唱歌的；音乐般的 短语：singing contest歌唱比赛；singin...
答：3、v. 唱歌（sing的ing形式）短语：1、singing contest 歌唱比赛 2、singing voice 歌喉；歌声 3、group singing 小组唱 4、singing group 歌唱组 5、antiphonal singing 对唱；轮唱
答：:" this is madrigal that a men and women to sing, have who would like to with me together to sing?"合唱”:Chorus
答：组词：1、对话 [duì huà]两个或更多的人之间的谈话（多指小说或戏剧里的人物之间的）：精彩的～。～要符合人物的性格。2、对子 [duì zi]对偶的词句：对～。3、对于 [duì yú]引进对象或事物的关系者：～公共财产，无论大小，我们都应该爱惜。大家～这个问题的意见是一致的。4、对比 [duì b...
答：The Bazi cavity of Yao'an is the spread in the community from Yao'an Bazi folk songs during the spring planting period, minor. It is a unique antiphonal singing in the form of Yao'an.This antiphonal singing form is generated in the middle of the Yao'an Bazi,so called "...
答：student antiphonal singing's , you need to cherish oh "! Look at my bar "! Let you have experience of wind color of once champion singer". "You are fond of a rock and roll , heavy metal be still friend blames "? "That the heavy metal violence cracks is mine be apt ...
答：scenery.10.Today we'll visit Longsheng,meet the local farmer's Chinese clarinet ranking acceptance,taste the camellia oleifera abel of the Zhuang ethnic group,sing the songs in antiphonal singing,and visit the Zhuang ethnic group's wood building which has a hundred years history....
答：The Bouyei ethnic group is romantic. In ancient times, the local people prayed to God for a good harvest on lunar April 3rd. Later, it became a tradition for the young men and women to sing antiphonal songs as part of a courtship ritual and an expression of love. Nowadays, ...
答：[sing in antiphonal style] 双方应答轮唱形式,多流行民间,特别是少数民族地区对工,对工儿duìgōng,duìgōngr[proper] [方]∶合适;恰当他演这出戏对工对攻duìgōng[attack one another] 双方对打对过duìguò[across the way;opposite] 处于街道、空地、河流等的一边的相对位置那对过众军汉见了,心内痒起来,...
答：To sing and dance known Miao Miao folk songs, particularly rich in two days of the first lunar month every year, or May 5 Huashan Festival (the foot of Huashan), young men and women all together step drum, dance Lusheng dance, antiphonal singing lyric, for spouses, same time shot at cl...
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钮扶13535629808：
求反正弦函数的n阶导数 -
38699终彦
： 利用反正弦函数arcsinx的泰勒公式 arcsinx=x+1/2*x^3/3+1/2*3/4*x^5/5+1/2*3/4*5/6*x^7/7+... (-1
钮扶13535629808：
cosθ+sinθ取值范围. -
38699终彦
：[答案] cosθ+sinθ =√2(√2/2·cosθ+sinθ·√2/2) =√2sinθ(θ+45º) ∵-1≤sinθ(θ+45º)≤1 ∴-√2≤sinθ(θ+45º)≤√2 即取值范围为[-√2,√2]
钮扶13535629808：
若阿尔法属于(0,兀),且c0s阿尔法加sin阿尔法= - 3分之一,则c0s2阿尔法= -
38699终彦
： ∵cosα+sinα=-1/3 ∴sinαcosα=[(-1/3)²-1]/2=-4/9 ∵α∈(0,π) ∴cosα-sinα=-根号(cos²α+sin²α-2sinαcosα]=-根号17 /3 ∴cos2α=cos²α-sin²α=(cosα+sinα)(cosα-sinα)=根号17 /9
钮扶13535629808：
函数f(x)=sin( )+sin( )的图象的相邻两对称轴之间的距离是______. -
38699终彦
：[答案] 函数f(x)=sin()+sin()的图象的相邻两对称轴之间的距离是______. 因为函数f(x)=sin()+sin()的周期为,则图象的相邻两对称轴之间的距离是半个周期,
钮扶13535629808：
计算sin169°sin19°+sin259°sin71°=? -
38699终彦
：[答案] sin169°sin19°+sin259°sin71°=sin(180°-169°)sin19°+sin(270°-259°)cos19°=sin11°sin19°-cos11°cos19°=-cos(19°+11°)=-(根号3)/2 和差化积公式:sinθ+sinφ=2sin[(θ+φ)/2]cos[(θ-φ)/2] ...
钮扶13535629808：
证明cosα(cosα - cosβ)+ sinα(sinα - sinβ)=2sin平方(α - β)÷2 -
38699终彦
：[答案] cosα(cosα-cosβ)+ sinα(sinα-sinβ) =cos²α-cosαcosβ+sin²α-sinαsinβ =1-(cosαcosβ+sinαsinβ) =1-cos(α-β) =1-[1-2sin²(α-β)/2] =2sin²(α-β)/2 得证.
钮扶13535629808：
sin阿尔法+sin贝塔=? -
38699终彦
：[答案] sinα+sinβ=2sin[(α+β)/2]cos[(α-β)/2]
钮扶13535629808：
证明(1+cosα+sinα+2sinαcosα)/(1+sinα+cosα)=sinα+cosα -
38699终彦
：[答案] 1+cosα+sinα+2sinαcosα =cos²α+sin²α+cosα+sinα+2sinαcosα =(sinα+cosα)²+cosα+sinα =(cosα+sinα)(1+sinα+cosα) (1+cosα+sinα+2sinαcosα)/(1+sinα+cosα)=sinα+cosα
钮扶13535629808：
已知三角形ABC中,角A=60度a=3则a+b+c/sinA+sinB+sinC=? -
38699终彦
： 由A的度数求出sinA的值,利用正弦定理表示出比例式,再由a的值及求出的sinA,算出比例式的比值,根据比例的性质即可得到所求式子的值
钮扶13535629808：
怎么化简 根号下1+sin阿尔法/1 - sin阿尔法 - 根号下1 - sin阿尔法/1+sin阿尔法 -
38699终彦
：[答案] 两个根号下的一堆全都同乘各自的分子,可得(1+sinα)/cosα+cosα/(1+sinα)=(2+2sinα)/(cosα+sinαcosα)=2/cosα
