3. sin [x/3+sin-1(1/2)] is equal to Class 12th Mathematics, Question Paper 2023: 3. sin [x/3+sin-1(1/2)] is equal to By Rohit Sharma - March 12, 2023 These are the options for the Question: 3. sin [x/3+sin-1(1/2)] is equal to (a) 1 (b) 1/2 (c) 1/3 (d) 1/4 The correct answer is – (a) 1