Ex 8.3, 1 - Chapter 8 Class 10 Introduction to Trignometry - Part 3

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Question 1 Evaluate : (iii) "cos 48 sin 42 " "cos 48 sin 42 " = "cos (90 42 ) sin 42 " = "sin 42 sin 42 " = 0

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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