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CBSE Class 11 Trigonometry

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…

CBSE Class 11 Mathematics Trigonometric Function Notes

XI: Maths Chapter-3: Trigonometric Function Chapter Notes Top Concepts 1. An angle is a measure of rotation of a given ray about its initial point. The original ray is called the initial side and the final position of the ray after rotation is called the…