http-//www.plancess.com - Call us on our TOLL FREE No. 1800-3000-2011. Learn various methods to get cleared out with the IIT JEE Advanced Questions on Trigonometric Ratios, Identities & Equations from Ravi Vooda (IIT JEE AIR-71). Prepare for your Boards and New IIT-JEE Pattern- JEE Mains & JEE Advanced/ MH-CET/BITSAT/other Competitive Exams with Plancess Questions Covering on all Concepts ie Angles, Trigonometric Functions, Circular System, Trigonometric Ratios Of Allied Angles, 3 major Identities, Trigonometric Functions of sum & difference of Two Angles, Conditional Identities, Practice Problems Note - Please note that this is a sample video of lecture. Quality of the video is compressed due to best view in youtube. Also only Advance level is available for sample viewing.