Prove that Sin A + CosA / Sin A - Cos A + Sin A - Cos A / Sin A + Cos A = 2 / 1 - 2 Cos ^2 A Share with your friends Share 1 Varun.Rawat answered this LHS = sin A + cos Asin A - cos A + sin A - cos Asin A + cos A=sin A + cos A2 + sin A - cos A2sin A - cos Asin A + cos A=sin2A + cos2A + 2 sin A . cos A + sin2A + cos2A - 2 sin A . cos Asin2A - cos2A=sin2A + cos2A + sin2A + cos2A1 - cos2A - cos2A=1 + 11 - 2 cos2A=21 - 2 cos2A=RHS 1 View Full Answer Santhosh Nathan answered this go do it 0 Shruthi answered this --- 0 Raj Singh answered this .no 0 Srujan answered this Sin A is the answer 0 Ishaan Jindal answered this Try by rationalisation or take lcm 0
