θ=arctan(4/3)=53.13° 怎么算出53.13°的
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arctan(-2)+arctan(-3)=?
θ=arctan(4/3)=53.13° 怎么算出53.13°的
arctan(tanθ)=?
cos[1/2arctan(-3/4)].cos[1/2arctan(-3/4)]=
用复变函数证明arctan (1/2) + arctan (1/3) =π/4
π-arctan(3/2)-arctan(2/3)=?
求证:arctan 1/2+arctan 1/5+arctan 1/8=π/4
-arctan(-x)=-pai+arctan么?
cos[arctan(1/2) - arctan(-2)]=?
求解三角函数方程:Arctan(6/x)+Arctan(4/x)=π/4Arctan(6/x)+Arctan(4/x)=π/4记得说明过程
arctan(sin x)=?
arctan(tanx)=?
arctan(-5.671)=?
arctan(4*w)+arctan(5*w)=5怎样求w
π/2=arctan(4/x)+arctan(50/x) 求x
arctan x分之2+arctan x分之3=45 怎么求出X来啊啊?
arctan(x/12)-arctan(x/10)-arctan(x/20)=-40最好能用matlab解.arctan(x/12)-arctan(x/10)-arctan(x/20)=-40/180*pi
tan[arctan(-根号3/3)] 和 arctan(tan3兀/4)