Inverse Trigonometric Functions Class 12 Mathematics Important Questions Answer. Question. Answer. CASE STUDY 1: Two men on either side of a temple of 30 meters high observe its top at the angles of elevation 𝛼 and 𝛽 respectively. (as shown in the figure above). The distance between the two men is 40√3 meters and the distance between the first person A and the temple is 30√3 meters.