At Arinjay Jain Academy, you can learn Maths, Economics, Accounts, Physics, Chemistry from our collection of 1800+ videos. All the videos are free and can be reached at www.youtube.com/c/arinjayjainacdemy. The content is relevant for students of CBSE, ISCE , NCERT and other Boards. Finding value of Order 2 Determinant – Trigonometric ratios based Example 1