Prove the following: 16. cos9x – cos5x / sin17x – sin3x = – sin2x/ cos10x Prove the following: 16. cos9x - cos5x / sin17x - sin3x = - sin2x/ cos10x October 22, 2021 Category: Chapter 3 - Trigonometric Functions , Maths , NCERT Exemplar Class 11 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related
