Prove that 1+ tan 2 theta. tan theta = sec 2 theta Share with your friends Share 12 Varun.Rawat answered this LHS = 1 + tan 2θ . tan θ=1 + 2 tan θ1 - tan2θ × tan θ=1 + 2 tan2θ1 - tan2θ=1 - tan2θ + 2tan2θ1 - tan2θ=1 + tan2θ1 - tan2θ=1 + sin2θcos2θ1 - sin2θcos2θ=cos2θ + sin2θcos2θ - sin2θ=1cos 2θ=sec 2θ=RHS 27 View Full Answer
