Example 16 Prove that cos 7x + cos 5x / sin 7x – sin 5x = cot x Example 16 Prove that cos 7x + cos 5x / sin 7x – sin 5x = cot x October 22, 2021 Category: Chapter 3 - Trigonometric Functions , Maths , NCERT Exemplar Class 11 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related
