What is `int_(0)^(pi//2) (dx)/(a^(2) cos^(2) x+ b^(2) sin^(2) x)` equal to ?
Channel: Doubtnut
Date: 02/02/2020

What is `int_(0)^(pi//2) (dx)/(a^(2) cos^(2) x+ b^(2) sin^(2) x)` equal to ?