tan{arcsin[cosπ/4]+arccos[sinπ/3]+arctan√3}
tan{arcsin[cosπ/4]+arccos[sinπ/3]+arctan√3}
反三角函数求值arccos(cos5π/4)=?arctan(tan4π/3)=?arcsin(sin6)=?
sin(x) cos(x) tan(x) cot(x) sec(x) csc(x) arcsin(x) arccos(x
sin cos tan cot arcsin arccos这些是怎么转换呀?
Arcsin(cos(90+a))+arccos(sin(180+a)) 若0
反函数求值tan[arcsin(-1/4)+π/3]
cosπ/3+tanπ/4+3tan²π/6+sinπ/2+cosπ+sin3π/2等于?.
execl中arctan,arcsin,arccos是那些函数
已知tan(α+π/4)=3,求cosα+2sinα/cosα-sinα的值
已知tan(α+π/4)=2,则(2sinα+cosα)/(3cosα-2sinα)
已知tan(α+π/4)=2,求2cosα-sinα/cosα+3sinα
化简:[sin(π+α)*cos(π-α)*tan(π-α)]/[cos(π/2+α)*tan(3π/2-α)*tan(