Prove the following: 11. cos(3π/4 + x) – cos(3π/4 – x) = – sqrt2 sin x Prove the following: 11. cos(3π/4 + x) - cos(3π/4 - x) = - sqrt2 sin x October 22, 2021 Category: Chapter 3 - Trigonometric Functions , Maths , NCERT Exemplar Class 11 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related
