∫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!

来源:学生作业帮助网 编辑:作业帮 时间:2024/04/29 19:01:46

∫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!
∫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!

∫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!
∫(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