Prove that tan^2A-tan^2B =cos^2B-cosA/cos^2Bcos^2A =sin^2A-sin^2B/cos^2acos^2B Share with your friends Share 0 Sharon Shaju answered this Hope it helps you. Happy studying! 7 View Full Answer Lokesh .c answered this bfgf -1 Arpit Ghosh Roy answered this Change tan to sin and cos and get ur ans 0 Panda Sahithi answered this Lokesh! Please give a useful answer. Sorry to say this 0
