Prove that: 7. sin 3x + sin 2x – sin x = 4sin x cos x/2 cos 3x/2 Prove that: 7. sin 3x + sin 2x – sin x = 4sin x cos x/2 cos 3x/2 October 24, 2021 Category: Chapter 3 - Trigonometric Functions , Maths , NCERT Exemplar Class 11 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related
