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 8.2
Page No:187
Questions No:1
(i) sin 10° / cos 72°
(ii) tan 26° / cot 64°
(iii) cos 48° – sin 42°
(iv) cosec 31° – sec 59°
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