arctan√3
(arctan√3) - (arctan-1)求解
arctan√3等于多少
arctan(-2)+arctan(-3)=?
大家帮忙求下这2个角度是多少?∠arctan(-2/-2√3)和∠arctan(-2/2√3)
tan[arctan(-根号3/3)] 和 arctan(tan3兀/4)
arctan(1/3)+arctan(1/2)的值为?
arctan(3/4)的值
解答sec[arctan(-3/5)]
∫(arctan√x)/√x dx
tan{arcsin[cosπ/4]+arccos[sinπ/3]+arctan√3}
y=arctanx的定义域和值域是什么?那arctan(‐√3)是多少?