Find-the-value-of-Q-if-Q-0-pi-2-ln-1-sinx-1-cosx-dx-

Question Number 1788 by 112358 last updated on 26/Sep/15

F i n d t h e v a l u e o f Q i f

Q = \int_{0}^{π / 2} l n (\frac{1 + s i n x}{1 + c o s x}) d x .

Commented by John_Haha last updated on 21/Nov/15

a s s u m e p = p i / 2 - x a n d y o u w i l l g e t z e r o