NCERT Solutions for Class 10 Maths Chapter 8
Important NCERT Questions
Introduction Trigonometry
NCERT Books for Session 2022-2023
CBSE Board and UP Board Others state Board
EXERCISE 8.4
Page No:193
Questions No:3
(i) sin² 63° + sin² 27° / cos² 17° + cos² 73°
(ii) sin 25° cos 65° + cos 25° sin 65°
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