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2013 church dwight when i go to 2x＾2-(√3+1)x+m=0的两根为sina,cosa,a∈(0,5π),求1.(sinatana)/(tana-1)+(cosa)/(1-tana)的值2.M的值3.方程的两根及此时a的值 sina与cosa是2x^2-x-m求m的值 关于that的指代问题1.H was the author of more than 100 books for boys in the second half of nineteenth century {that} focused on the theme of success coming to those who work hard to achieve it.2.What they share in common,however,is the extraor a是第二象限的角,其终边上一点为P(x,√5),且cosa=(√2x)/4,则sina的值为____. 波兰的Sosniewiec翻译成中文叫什么?波兰的一个地方 aggressive是什么意思 What can be done to prevent school violence and ensure the safety of students at school?英语作文,关于上面的主题,希望有一个比较全面的回答.英语的回答 英语翻译Warszawska 24,31-155 Kraków请问这个地址要怎么翻译成中文? What can be done to prevent school violence and ensure the safety of students at school?谢谢了 non-aggressive是什么意思 on breakfast 还是in breakfast A verification email was recently sent.是设么 怎么样可以更有效率的学会英语我学不会英语 首字母填空关于ChristmasSome boys of those days who were at boarding schools had to write aa special piece of English letter at Christmas t_____.These were the f_____ Christmas cards. 关于圣诞节的填空?首 字母已经给出A:who did you stay with B:i stayed with tom d____the christmas season?A:oh ,what did you do then B:we d___the chirstmas tree ,met his relatives A:how interesting what was the christmas play a_____?B:abou 有一个包括5个that的英语句子是什么? 以下是我的作文,希望有经验的高手帮改下,最好能打个分数,Improing living condition or the research in outspace,which one shold be invested in a larger sum of money by the goverment?Different people have different idea.Personally more aggressive是什么意思 剑桥雅思4tset1Task 2Write about the following topic:Compare the advantages and disadvantages of three of the following as media for communicating information.State which you consider to be the most effective.·comics·books·radio·television·fi aggressive-voice是什么意思 雅思作文请高手帮忙修改It is very common to see a large number of people doing exercise with their dogs when walking in a park in a nice weather.A pet is important to its owner at times.They are like one of the family members.I believe pets 关于老师的征文稿的英语作文五十个单词左右吧 As the development of modern science and technology,some aspects of traditional culture are being lost,so some people think that the traditional culture and technology will be the modern science and technology such as computer or internet,what is you In the modern world,the school has become unnecessary for children to study.They can use internet which has a great deal of information available for children,so that children study at home instead.To what extend do you agree and disagree?文章：Ov 把and,come,meet,family,me连为一句通顺的英语句子 『你是笨蛋、但我爱笨蛋、你永远只能是我一个人的笨蛋』用英语怎么说 用英语怎么说找个笨蛋来爱我 用英语怎么说找个笨蛋来爱我 Politeness costs nothing but wins everything.翻译成谚语 the city is much more beautiful than we thought.为什么用thought不用think? The test will be on Thursday afternoon对 be on Thursday afternoon提问（ ） （ ）the test?