Maths RD Sharma Class 12 Solutions Chapter 4 Inverse Trigonometric Functions RD Sharma Solutions by Himanshu - August 18, 20180 Inverse Trigonometric Functions Ex 4.1 Q1. Inverse Trigonometric Functions Ex 4.1 Q2. Inverse Trigonometric Functions Ex 4.1 Q3. Inverse Trigonometric Functions Ex 4.2 Q1