Prove the following: 23. tan 4x = 4tanx (1-tan^2x) / 1-6 tan^2 x + tan^4 x Prove the following: 23. tan 4x = 4tanx (1-tan^2x) / 1-6 tan^2 x + tan^4 x October 24, 2021 Category: Chapter 3 - Trigonometric Functions , Maths , NCERT Exemplar Class 11 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related
