求不定积分∫sin(x⼀2)dx 需要过程

谢谢~~~
2025-04-15 04:36:30
推荐回答(1个)
回答1:

∫sin(x/2)dx ===2∫sin(x/2)d(x/2)
==2{-cos(x/2)}+c==-2cos(x/2)+c