Question 1 (i) - Trignometric ratios of complementry angles - Chapter 8 Class 10 Introduction to Trignometry

Last updated at Dec. 13, 2024 by

Ex 8.3, 1 - Evaluate (i) sin 18 / cos 72 (ii) tan 26/cot 64 - Trignometric ratios of complementry angles

 

 

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Question 1 Evaluate : (i) sin 18 /cos 72 sin 18 /cos 72 = sin 18 /cos (90 18 ) = sin 18 /(sin 18 ) = 1

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo