NCERT Solutions Class 11 Mathematics Chapter 3 Trigonometric Functions

Exercise 3.1 Question. Find the radian measures corresponding to the following degree measures: (i) 25° (ii) –47° 30' (iii) 240° (iv) 520° Answer :  (i) 25° We know that 180° = π radian  ∴ 25° = π/180° ×25 radian = 5π/36 radian   (ii) -47° 30'  - 47…