Evaluate this definite integral:

pi
∫ (| |sin y| - |cos y| |) dy
0

Note: |x| denotes the absolute value of x.

(In reply to Some Thoughts by Bractals)

Bractals: I think you missed the absolute value signs.  The integral is very definitely positive.

Posted by Steve Herman on 2008-07-24 12:50:58