Prove that: 2. (sin 3x + sin x) sin x + (cos 3x – cos x) cos x = 0 Prove that: 2. (sin 3x + sin x) sin x + (cos 3x – cos x) cos x = 0 October 24, 2021 Category: Chapter 3 - Trigonometric Functions , Maths , NCERT Exemplar Class 11 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related
