If `alpha, beta, gamma` ,are positive acute angles and `sin (alpha+beta-gamma)=cos(beta+gam
Channel: Doubtnut
Date: 2020-05-09

If `alpha, beta, gamma` ,are positive acute angles and `sin (alpha+beta-gamma)=cos(beta+gamma-alpha)=tan (gamma+alpha-beta)=1` find `alpha,beta and gamma` .