given that alpha + beta =90 degree show that square root cos alpha cosec beta – cos alpha sin beta= sin alpha given that alpha + beta =90 degree show that square root cos alpha cosec beta - cos alpha sin beta= sin alpha November 25, 2020 Category: Chapter 8 - Introduction to Trigonometry , Maths , NCERT Class 10 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related
