Cosine Classes by Vibhor Sir

Cosine Classes has been created with the aim to help students to cover Maths Syllabus for classes from 9th to 12th. Videos exhaustively cover theory part and associated problems from standard books & NCERT. Mr. Vibhor Choudhary (M.Sc. Maths, B.Ed, CTET, UPTET Qualified) has 19 years of teaching experience and is founder and head at Vibhor Classes, a Premier Coaching Institute in Roorkee since 2005.