arctan-∞

arctanarctanarctan方法1、(atctanx)''=1/(tany)''=1/sec^2y=1/(1+tan^2y)=1/(1+x^2)利用反函数求导法则方法2、lim(h-->0)(ar

arctan（∞）等于多少arctan（∞）等于多少arctan（∞）等于多少

lim(x→+∞)(2/πarctanX)^Xlim(x→+∞)(2/πarctanX)^Xlim(x→+∞)(2/πarctanX)^X假设a=(2/πarctanX)^Xlna=x*ln(2/πa

limx(arctanx-π/2)x–>∞limx(arctanx-π/2)x–>∞limx(arctanx-π/2)x–>∞lim(x–>+∞)(arctanx-π/2)/(1/x)=lim(x–>

lim(arctann)^1/n(n→∞)求极值lim(arctann)^1/n(n→∞)求极值lim(arctann)^1/n(n→∞)求极值lim(n->∞)[(arctann)^(1/n)]=(

arctan是什么意思?arctan是什么意思?arctan是什么意思?编辑本段数学术语编辑本段定义　　函数y=tanx,x∈(-π/2,π/2)的反函数,记作y=arctanx,叫做反正切函数.反正

arctan(-2)+arctan(-3)=?arctan(-2)+arctan(-3)=?arctan(-2)+arctan(-3)=?tan[arctan(-2)+arctan(-3)]=-2-3

证明/arctan(a)-arctan(b)/证明/arctan(a)-arctan(b)/证明/arctan(a)-arctan(b)/|arctan(a)-arctan(b)|/|a-b|=arc

arctan(x,arctan(x,y)是不是等于arctan(x/y)?arctan(x,arctan(x,y)是不是等于arctan(x/y)?arctan(x,arctan(x,y)是不是等于a

arctan无穷大减去arctan无穷小等于多少arctan无穷大减去arctan无穷小等于多少arctan无穷大减去arctan无穷小等于多少由图像可知,π/2-(-π/2)=π原式=2分之π—（—

-arctan(-x)=-pai+arctan么?-arctan(-x)=-pai+arctan么?-arctan(-x)=-pai+arctan么?应该是说:tan[-arctan(-x)]=tan

cos[arctan(1/2)-arctan(-2)]=?cos[arctan(1/2)-arctan(-2)]=?cos[arctan(1/2)-arctan(-2)]=?设x=arctan（1/2

lim(x→+∞)〖x(π/2-arctanx)〗lim(x→+∞)〖x(π/2-arctanx)〗lim(x→+∞)〖x(π/2-arctanx)〗(π/2-arctanx)/(1/x)0/0型,用

大学文科求极限lim（x→+∞）x(π/2-arctanx),大学文科求极限lim（x→+∞）x(π/2-arctanx),大学文科求极限lim（x→+∞）x(π/2-arctanx),0*∞化成∞/

求极限x→∞,[e^(1/x)-1]/arctan^2(2/x)求极限x→∞,[e^(1/x)-1]/arctan^2(2/x)求极限x→∞,[e^(1/x)-1]/arctan^2(2/x)e^(1

求解lim(x→+∞)(π/2-arctan*(2x^2))x^2求解lim(x→+∞)(π/2-arctan*(2x^2))x^2求解lim(x→+∞)(π/2-arctan*(2x^2))x^2x

求极限题目lim(x->+∞)arctan(x-cosxlnx)=?跪谢!求极限题目lim(x->+∞)arctan(x-cosxlnx)=?跪谢!求极限题目lim(x->+∞)arctan(x-co

求极限题目lim(x->+∞)arctan(x-cosxlnx)=?跪谢!求极限题目lim(x->+∞)arctan(x-cosxlnx)=?跪谢!求极限题目lim(x->+∞)arctan(x-co

数列极限的定义证明lim(1/n)(arctann)=0n→∞数列极限的定义证明lim(1/n)(arctann)=0n→∞数列极限的定义证明lim(1/n)(arctann)=0n→∞|(arcta

计算器arctan怎么算计算器arctan怎么算计算器arctan怎么算计算机先选科学型然后在度与弧度下面有个inv,按了它后就有tan-1,就是arctan的意思