Evaluate this definite integral:

pi
∫ (| |sin y| - |cos y| |) dy
0

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

(In reply to re(2): Some Thoughts by Bractals)

Might we therefore ask that in similar circumstances such 'functions' be more duly indicated, like bolding or colour?

I think KS would be amenable to such a thought; he can at least do the bold if requied.

Posted by brianjn on 2008-07-25 00:18:35