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∫sin(x+π/3)dx等于多少,上限为π,下限为π/3,求详的细解题步骤,O(∩∩)O谢谢!

题目详情
∫sin(x+π/3)dx等于多少,上限为π,下限为π/3,求详的细解题步骤,O(∩_∩)O谢谢!
▼优质解答
答案和解析
∫(π/3,π) sin(x+π/3)dx
=∫(π/3,π) sin(x+π/3)d(x+π/3)
= -cos(x+π/3)|(2π/3,4π/3)
= -cos5π/3+cosπ
=-3/2