共回答了137个问题采纳率:76.2%
已知函数f(x)=sin( - x)coswx+cos已知函数f(x)=sin(pai-wx)coswx+cos平方wx
2024-05-031个回答
已知函数f(x)=2cos x sin(x+pai/6)-sin^2x+cos^2x.
2024-05-032个回答
已知函数Y=2sin^X+2sinXcosX-5cos^X 已知函数Y=2sin^X+2sinXcosX-5cos^X,
2024-05-031个回答
已知函数f(x)=x2+(sinα-2cosα)x+1是偶函数 则sinαcosα=
2024-05-034个回答
sin cos三角函数题解已知α为锐角 sinα=3cosα 求sinαcosα
2024-05-032个回答
刚学完三角函数,1.已知COS∝/(1+SIN∝)=A,SIN∝/(1+COS∝)=B,A-B=k(COS∝-SIN∝)
2024-05-031个回答
would you please tell me _ a.what to do b.how to do it c.whe
2024-05-034个回答
英语!英语!Please tell me_____next.A how to do B what to do it C
2024-05-037个回答
what will you do if you are asleep?please tell me the way to
2024-05-036个回答
Please tell me____to improve my English. 为什么填what to do
2024-05-035个回答
Would you please tell me what to do next? do 为及物动词后跟宾语,为什么wh
2024-05-032个回答
would you please tell me()next A how to do B what to do C wh
2024-05-031个回答
Could you tell me ___ to do next,please?填what还是how?
2024-05-033个回答
Would you please tell me __ next?A.how to do B.what to do C.
2024-05-032个回答
what do you want me to tell your mother Please tell her .abo
2024-05-034个回答
Please tell me____to improve my English.为什么填what to do
2024-05-031个回答
Please tell me__next?A how to do Bwhat to do C to do what D
2024-05-033个回答
Would you please tell me what to do it 对吗,how to do 后面可以接it吗
2024-05-031个回答
Please tell me what to do是一个完整的句子吗?what to do是作宾语吗
2024-05-034个回答
两种单质点燃生成化合物的表达式两种不同元素的原子.这两种元素分别组成的单质
2024-05-034个回答
你能帮帮他们吗
2024-05-042个回答
2024-05-041个回答
2024-05-041个回答
碳酸钙和亲氢氧化镁对人体有害吗- - 我煮的水老是有这些东西避免不了会进入体内一些哪位大虾给我开导开导哈!
2024-05-044个回答
正电荷与负电荷一个带正电荷的东西与一个带负电荷的东西碰在一起会怎么样?通俗一些,
2024-05-041个回答
精彩回答
2024-05-022个回答
2024-05-022个回答
一道小学数学题,求解!题目:一个三角形的地带,其3条边的长度分别是120m, 80m和150m. 如果每隔10m种一颗树
2024-05-025个回答
she told me a lot of _____ideas about my trip to Britain.(he
2024-05-0211个回答
My mother told me _______ she would have a meeting to Shangh
2024-05-024个回答