已知α,β∈{1,2,3,4,5},那么sinα

问题描述:

已知α,β∈{1,2,3,4,5},那么sinα如题

α,β= (3 1)(3.5)(4.1)(4.2)(4.4)(4.5)(5.1)(5.2)(5.4).(5.5)