求值1.cos[arcsin(-4/5)-arctan(-3/4)]
反三角函数求值arccos(cos5π/4)=?arctan(tan4π/3)=?arcsin(sin6)=?
tan{arcsin[cosπ/4]+arccos[sinπ/3]+arctan√3}
求值cos(arcsin根号5/4) 帮忙做下,要过程.谢谢了!
求值:cos(arcsin√3/2)=
求值:sin[1/2arctan(-4/3)]
1.COS(0.5*ARCSIN(-4/5))
反函数求值tan[arcsin(-1/4)+π/3]
若cos(π/4+x)=3/5,求值
不用计算器求值 cos^派/8加cos^4 3派/8加cos^4 5派/8加
tan[arctan(-根号3/3)] 和 arctan(tan3兀/4)
arctan(4/5)等于几?
arctan(3/4)的值