化简sin x/(1－cos x)√[(tan x－sin x)（tan）]化简sin x/(1－cos x)√[(tan x－sin x)/（tan x＋sin x）]
来源：学生作业帮助网 编辑：六六作业网 时间：2024/05/13 22:47:02
化简sinx/(1－cosx)√[(tanx－sinx)（tan）]化简sinx/(1－cosx)√[(tanx－sinx)/（tanx＋sinx）]化简sinx/(1－cosx)√[(tanx－si
化简sin x/(1－cos x)√[(tan x－sin x)（tan）]化简sin x/(1－cos x)√[(tan x－sin x)/（tan x＋sin x）]
化简sin x/(1－cos x)√[(tan x－sin x)（tan）]
化简sin x/(1－cos x)√[(tan x－sin x)/（tan x＋sin x）]
化简sin x/(1－cos x)√[(tan x－sin x)（tan）]化简sin x/(1－cos x)√[(tan x－sin x)/（tan x＋sin x）]
sin x/(1－cos x)√[(tan x－sin x)/（tan x＋sin x）]
=sinx/(1-cosx)√[(1-cosx)/(1+cosx)
=sinx/(1-cosx)√[(1-cosx)^2/(1-(cosx)^2)]
=sinx/(1-cosx)(1-cosx)/|sinx|
=sinx/|sinx|
=1 if x∈[2nπ,(2n+1)π]
=-1 ifx∈[(2n-1)π,2n]
cos x/sin x+sin x/(1+cos x) 化简.
化简sin x/(1－cos x)√[(tan x－sin x)（tan）]化简sin x/(1－cos x)√[(tan x－sin x)/（tan x＋sin x）]
化简(sin x+cos x-1)(sin x-cos x+1)/sin 2x
化简（1)√3sin x+cos x (2）√2(sin x-cos x) （3）√2cos x-√6sin x
cos x/( 1-sin x)化简
化简 1-sin^4x-cos^4x/1-sin^6x-cos^6x
化简(1-cos^4x-sin^4x)/(1-cos^6x-sin^6x)
化简：(1+sin x-cos x)/(1+sin x+cos x) 谢
化简 1/2cos x-根号3/2sin x 根3sin x+cos x
化简[1-(sin^4x-sin^2cos^2x+cos^4x)/(sin^2)]+3sin^2x
化简[1-(sin^4 x-sin^2 xcos^2 x+cos^4 x)]/(sin^2 x)+3sin^2 x
化简sin(x)(cos(x)+cos(3x)+cos(5x)+cos(7x))
化简sin(x)cos(x)cos(2x)
化简sin(x)cos(x)cos(2x)
sin x cos x cos 2x 化简
2cos x (sin x -cos x)+1
化简 cos^2(x)*sin^2(x)-sin^2(x)
化简sin^4x-sin^2x+cos^2x