Prove that: `tan{pi/4+1/2\ cos^(-1)(a/b)}+tan{pi/4-1/2\ cos^(-1)(a/b)}=(2b)/a`
Channel: Doubtnut
Date: 2020-06-28

Prove that: `tan{pi/4+1/2\ cos^(-1)(a/b)}+tan{pi/4-1/2\ cos^(-1)(a/b)}=(2b)/a`