Prove that: 6. (sin 7x + sin 5x ) + (sin 9x + sin 3x ) / (cos 7x + cos 5x ) + (cos 9x + cos 3x ) = tan 6 Prove that: 6. (sin 7x + sin 5x ) + (sin 9x + sin 3x ) / (cos 7x + cos 5x ) + (cos 9x + cos 3x ) = tan 6 October 24, 2021 Category: Chapter 3 - Trigonometric Functions , Maths , NCERT Exemplar Class 11 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related
