arcsin(根号2/2)+arctan(-1)+arccos(-根号3/2).A.-π/3 B.-π/6 C.2π/3
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arcsin(根号2/2)+arctan(-1)+arccos(-根号3/2).A.-π/3 B.-π/6 C.2π/3 D.5π/6
![arcsin(根号2/2)+arctan(-1)+arccos(-根号3/2).A.-π/3 B.-π/6 C.2π/3](/uploads/image/z/16935785-17-5.jpg?t=arcsin%EF%BC%88%E6%A0%B9%E5%8F%B72%2F2%EF%BC%89%2Barctan%28-1%29%2Barccos%28-%E6%A0%B9%E5%8F%B73%2F2%29.A.-%CF%80%2F3+B.-%CF%80%2F6+C.2%CF%80%2F3)
arcsin(根号2/2)+arctan(-1)+arccos(-根号3/2)
=π/4+(-π/4)+5π/6
=5π/6
=π/4+(-π/4)+5π/6
=5π/6
arccos根号3/3等于arctan根号2/2么?
计算:arcsin(-根号2/2)-arccos(-1/2)+arctan(-1)-arccos1
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arccos(-根号3/2)=?,arcsin0=?,arctan(-根号3)=?
比如为什么arcsin(2x-1),arccos(1-2x),2arctan根号(x/(1-x))都是1/根号(x-x平
arcsin2分之根号3加arccos(负2分之根号三)加arctan(负一)=?急
tan{arcsin[cosπ/4]+arccos[sinπ/3]+arctan√3}
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y=根号下2π/3-arccos(1/2x-1)的定义域和值域
证明恒等式:arcsin x+arccos x=π/2(-1≦x≦1)
y=arcsin(根号x-3)的定义域和值域 y=arccos(x^2+x)的定义域和值域 y=
arctan根号2是什么,