用定积分的换元法计算∫sin(x+π⼀3)dx,上限为π,下限为π⼀3

2025-03-30 17:01:56
推荐回答(1个)
回答1:

[π/3,π] ∫ sin(x+π/3)dx
= - cos(x+π/3) | [π/3,π]
= cos(π/3 + π/3) - cos(π + π/3)
= - 1/2 - (-1/2)
= 0