问题描述： π到π/3 sin（x+π/3）dx 定积分 1个回答 分类：数学 2014-11-23 问题解答： 我来补答 ∫sin(x+π/3) dx=∫sin(x+π/3) d(x+π/3)=-cos(x+π/3)+C所以原式=-cos(π/3+π/3)+cos(π+π/3)=-cos(2π/3)-cos(π/3)=1/2-1/2 =0 展开全文阅读
