backroom+painal

广饺旺3752cos( - 17pai/4) -
狄柿贝18498996533 ______ cos(-17π/4)=cos(4π-17π/4)=cos(-π/4)=cos(π/4)=(√2)/2

广饺旺3752房间钥匙你回来的时候来取的英文怎么说? -
狄柿贝18498996533 ______ Room key when you come back to check

广饺旺3752真人版密室逃脱吸引年轻人,“密室逃脱”英语怎么说 -
狄柿贝18498996533 ______ Real version of the chamber of secrets to escape to attract young people, ＂the chamber of secrets escape＂ 重点词汇释义 真人 immortal 密室 backroom; a room used for secret purposes; penetralium; adytum; back room 逃脱 succeed in escaping...

广饺旺3752求下列函数的单调区间:(1)y=1+sin x, x属于R;(2)y= - cos x,x属于R. -
狄柿贝18498996533 ______ 1.y=1+sinx,x属于R 单调增区间是[2kPai-Pai/2,2kPai+Pai/2] 单调减区间是[2kPai+Pai/2,2kPai+3Pai/2]2.y=-cosx,x属于R 单调增区间就是y=cosx的单调减区间,即是[2kPai,2kPai+Pai] 单调减区间就是y=cosx的单调增区间,即是[2kPai+Pai,2kPai+2Pai]).

广饺旺3752英文问题求解...back room deal 神马意思?求例句 -
狄柿贝18498996533 ______ 暗箱操作、幕后操作 “Gradually, he accrued seniority, power and a knack for back-room deal making. 渐渐地,他的资历得到了积累,权利得到了扩大,还学会了暗箱操作的本事.” from Youdao Dict.

广饺旺3752y=sin2x+cos2x的图象向左平移俳(pai)/4个单位,所得图象解析式是什么?
狄柿贝18498996533 ______ y=Sin2x+Cos2x=√2sin(2x+π/4) 向左平移π/4个单位变为 y=√2sin[2(x+π/8+π/4)]==√2sin(2x+3π/4)

广饺旺3752函数y=cos( - x+pai/3)的增区间 -
狄柿贝18498996533 ______ y=cos(-x+π/3) y=cos(x-π/3) 递增区间是:2kπ-π≤x-π/3≤2kπ 即:2kπ-(4π/3)≤x≤2kπ+π/3 递增区间是:[2kπ-4π/3,2kπ+π/3],其中k∈Z

广饺旺3752C++求pai的值.看不懂函数定义那块,谁能注释一下. -
狄柿贝18498996533 ______ i>1e-15)///,b;&lt,x^5; double arctan(double x);/i即0+x/定义四个变量初;//1 也就是x,同理i==3不满足i%4==1时 r-f==0+x/1-x^3/3 e = e*sqr,f;3+x^5/PI=＂ </条件语句 当i除4余1时 r+f 比如开始i==1时除4余1 则r+f即 0+e/ } double arctan(double x) { int i,...

广饺旺3752In the back room,there is nothing but a - _______against the wall.A.three - legging table B.three - legged table C.three legs table.怎么选为什么谢谢 -
狄柿贝18498996533 ______[答案] B three-legged指三条腿的 在后面的屋子里,除了一张三条腿的桌子靠着墙什么都没有.