Prove that: [sin^4 theta – cos^4 theta + 1]cosec^2 theta=2 Prove that: [sin^4 theta - cos^4 theta + 1]cosec^2 theta=2 November 25, 2020 Category: Chapter 8 - Introduction to Trigonometry , Maths , NCERT Class 10 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related
