cotx cot2x - cot 2x cot 3x - cot 3x cot x =1 Share with your friends Share 5 Priyanka Kedia answered this We have,3x = 2x+xTherefore, 9 View Full Answer Srijan Sharma answered this Link for the answer: http://cbse.meritnation.com/study-online/ncert-solutions/math/330/5519/trigonometric-functions/prove-that-cot-x-cot-2x-ndash-cot-2x-cot-3 2
