If sec 4A = cosec (A – 20°), where 4A is an acute angle, find the value of A. find the value of A. If sec 4A = cosec (A – 20°) where 4A is an acute angle October 5, 2020 Category: Chapter 8 - Introduction to Trigonometry , Maths , NCERT Class 10 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related
