Hindi Medium Class 11 Maths NCERT Solutions - Part 1 is specially designed for the CBSE class 11 students to help them prepare for their exams. It also helps them throughout the year to complete their homework on time and double check the answers. Index अध्याय 1: समुच्चय. अध्याय 2: सम्बन्ध एवं फलन. अध्याय 3: त्रिकोणमितीय फलन. अध्याय 4: गणितीय आगमन का सिद्धांत.