证明:2arctanX+arcsin(2X/(1+X^2))≡π,(X>=1)
证明:2arctanX+arcsin(2X/(1+X^2))≡π,(X>=1)
证明恒等式:arcsin x+arccos x=π/2(-1≦x≦1)
如何证明arctanx=arcsinx/(1+x^2)^0.5
证明恒等式arctanx—1/2arcos(2x/1+x^2)=π/4 (x≥1)
证明当x>0时,arctanx+1/x>π/2
当x>0时,证明:arctanx+1/x>π/2,
高数之微积分证明函数arcsin(2x-1)、arccos(1-2x)、2arcsin根号x及2arctan根号【x/(
证明sin(arctanx)=x/根号(1+x^2)
求导数 y=arcsin(1-2x)
证明当x>0,arctanx+arctan1/x=π/2
证明恒等式:arctanx+arctan1/x=π/2(x>0)
y=90+arctanx/(x-2) y=0.5*arccos1/根号(4-x^2) y=arcsin(x^2-x+1)