If `tan alpha = 1/7, sin beta = 1/sqrt(10),` Prove that : `alpha + 2beta = pi/4`, where `
Channel: Doubtnut
Date: 2020-04-05

If `tan alpha = 1/7, sin beta = 1/sqrt(10),` Prove that : `alpha + 2beta = pi/4`, where `0ltalpha lt pi/2 and 0ltbeta lt pi/2`.