integrate twice
from 0 to pi
abs(sinx) = sinx
from pi to 2pi
abs(sinx) = -sinx 作者: 桃子 時間: 2011-5-17 09:13 PM
Remove the absolute value sign by considering different ranges.
This is similar to what you should have done in solving equations with absolute value. 作者: firoazen 時間: 2011-5-17 09:21 PM
Dividing cases is very useful for definite integration. 作者: KT6491 時間: 2011-5-17 10:16 PM
